What are the common Nephrology OHIP billing codes?

Free Nephrology OHIP billing cheat sheet (specialty 16) with 2026 fees: chronic dialysis week, acute dialysis, kidney transplant care.

Nephrology OHIP Billing Cheat Sheet

Updated October 10, 2026

OHIP specialty 16. Chronic dialysis week · Acute dialysis · Kidney transplant care.

Download the Nephrology cheat sheet (PDF)

Pick the visit, tick what you did, bill the codes at the bottom. Ontario fees effective July 1, 2026.

Office consultation

A165A Consultation ($180.75): Written referral on file, full consult, written report back to the referring doctor (GP16).
A160A Comprehensive consultation, 75+ min ($342.25): All consult elements plus 75+ minutes face to face, not counting procedures or chart and imaging review. Start and stop times in the chart (A136).
A865A Limited consultation ($116.75): Referred for a narrower question that needs substantially less time than a full consult (GP19).
A166A Repeat consultation ($116.75): Same problem, new written referral, and another doctor treated the patient since your first consult (GP19).

Tips

75+ minutes face to face? A160A pays $342.25, almost double A165A ($180.75). Chart start and stop times or it is cut to a lesser fee (A136).
Limited (A865A) and repeat (A166A) consults at $116.75 pay more than a medical specific assessment ($95.95). Use them whenever there is a new written referral (GP19).
One consult per patient per diagnosis per 2 consecutive 12-month periods. A second for the same problem is only paid as an in-patient or ED consult 12–24 months later, or as a repeat consult (GP17).
No written, signed referral in the chart: OHIP pays it as an assessment (GP16).
Nephrology is not on the E078A chronic disease premium list, even for CKD (GP25).

Follow-up visit

A164A Medical specific re-assessment ($72.00): Full relevant history and exam of one or more systems. Limit: 2 per patient per 12 months (GP23).
A161A Complex re-assessment ($83.40): Complex, obscure or serious condition. Written findings must go to the family doctor (GP24). Limit: 4 per 12 months, combined with A163A (GP24).
A163A Medical specific assessment ($95.95): Full history of the complaint and detailed exam of the affected systems; new problem, no referral. Limit: 1 per 12 months (2 for a clearly different diagnosis) (GP23).
A168A Partial assessment ($44.75): History of the complaint, the exam needed, advice, record. No yearly limit.

Tips

Kidney transplant in the last 3 years and the visit is for post-transplant care: tick E060A for +50%. A164A becomes $108.00, A161A $125.10, A163A $143.93 (A136).
E060A is not paid in the ED, for in-patients or in LTC (A136–A137).
Over a limit, OHIP cuts the visit to a lesser fee: A164A 2 per 12 months, A163A 1 per 12 months, A163A + A161A together 4 per 12 months (GP23–24). Past those, bill A168A (+ E060A).
Patient on chronic dialysis? Their office visits are included in the weekly team fee; don't bill them separately (J39).

Chronic dialysis week

G860A Hospital haemodialysis or haemodiafiltration ($135.80): Weekly team fee, Sunday midnight to Sunday midnight, to the most responsible physician (J39–J40).
G862A Hospital self-care or satellite haemodialysis ($135.80)
G863A ICHSC (community) haemodialysis ($135.80)
G865A Home haemodialysis ($135.80)
G861A Hospital peritoneal dialysis ($135.80)
G864A Home peritoneal dialysis ($135.80)

Tips

Claim the code for the predominant location and modality that week; the fee is the same for every modality (J39–J40).
The team fee covers all dialysis-related consults and visits, ESRD management, counselling, family interviews and case conferences (J39).
Still billable on top: ED assessments and special visit premiums, in-patient admission and subsequent visits for complications or intercurrent illness, procedures (catheters, biopsies, acute dialysis), and other specialists (J39).
Patient dialysed elsewhere part of the week: the principal centre gets 1/7 of the fee per day it was responsible; an auxiliary centre bills G866A per treatment (max 2), or the full weekly fee at 3+ treatments (J39–J40).

Acute dialysis

G325A Haemodialysis: planning and delivery of the first acute treatment ($369.60): Includes haemofiltration and haemoperfusion (J37).
G323A Haemodialysis: acute repeat ($184.80): For the first 3 repeat services (J37).
G330A Peritoneal dialysis: acute (up to 48 h) ($247.70): Includes temporary stylette cannula insertion (J38).
G331A Peritoneal dialysis: repeat acute (up to 48 h) ($223.00): For the first 3 services (J38).
G083A CRRT, initial and acute ($397.30): CVVHD; CVVHDF is G082A ($397.30), CVVH G085A ($385.75), SCUF G090A ($331.05). For the first 3 services (J37).
G094A Chronic continuous haemodiafiltration ($69.90): Slow continuous ultrafiltration: G096A ($69.90) (J37).

Tips

Started non-electively after hours? G323A, G330A, G331A and the CRRT codes take E409A (+50%, weekday 17–24 or weekend/holiday daytime) or E410A (+75%, nights 00–07). G325A is not on that list (GP104).
Non-elective dialysis catheter insertion (G324A, G336A, G099A) after hours also takes E409A/E410A (GP104).
Acute treatments are team fees and are paid on top of the chronic weekly fee (J37, J39).
In-patient consults and subsequent visits are billed separately from these fees (GP43).

Kidney transplant care

G412A 1st day after transplantation ($354.30): Constant or periodic attendance; complete patient care (J69).
G408A Days 2 to 10, per day ($177.10)
G409A Days 11 to 21, per day ($88.55)
G411A Donor procurement management ($213.00): Monitoring a neurologically dead donor, pre-nephrectomy renal assessment and immunotherapy, family discussion (J69).

Tips

G412A, G408A and G409A include complete patient care: no separate visits those days (J69).
Only for kidney transplants, not other organs (J69).
After day 21 and once discharged, office visits within 3 years of the transplant take E060A (+50%) (A136).

Hospital in-patient consult

C165A Consultation, routine request ($180.75): Seen on your own schedule.
C160A Comprehensive consultation, 75+ min ($342.25): Same conditions as A160A: 75+ minutes face to face, start and stop times charted (A137).
C865A Limited consultation ($116.75): Narrower question, substantially less time.
C166A Repeat consultation ($116.75): Same problem, new request, another doctor treated in between.
A165A Called in urgently to see another doctor's patient ($180.75): Non-elective call, e.g. hyperkalaemia or AKI needing dialysis. Bill the A code; the in-patient special visit premiums apply (GP43, GP69).

Tips

Urgent call to the ward: bill A165A, not C165A, and add the special visit premiums for the time of day. Chart the time of the visit (GP43, GP69).
Started dialysis or placed a line? Those are paid on top: see Acute dialysis and the procedure panel (J3).
If you admit the patient as most responsible physician, this consult is your admission assessment: add E082A (+30%) (GP40, GP42).
Seen in ICU or CCU? Add C101A ($9.10) per patient (GP103).

Emergency department consult

A165A Consultation ($180.75): Requested by the ED physician; report copy back to them.
A160A Comprehensive consultation, 75+ min ($342.25): Start and stop times charted (A136).
A163A Medical specific assessment ($95.95): Your own patient, or no consult request.
A164A Medical specific re-assessment ($72.00): Patient you saw recently for the same problem.

Tips

Called in from outside the hospital: travel plus first-person premiums apply. Evenings, weekends and nights pay more (GP66, GP70).
ED calls for dialysis patients are outside the weekly team fee, so bill them (J39).
Admitting them under you? The ED consult is your admission assessment; add E082A (+30%) (GP40, GP42).
No E060A in the ED (A136).

Hospital follow-up (rounds)

C162A Subsequent visit, first 5 weeks ($40.05): 1 per day. Weeks 6–13: C167A (3 per week). After week 13: C169A (6 per month). Count from the day you were referred (GP43).
C122A You're MRP: day after admission ($71.80): Once per admission; C142A instead if the day after transfer out of ICU (GP44, GP46).
C123A You're MRP: second day after admission ($71.80): Once per admission; C143A instead after an ICU transfer.
C124A You're MRP: day of discharge ($71.80): Stay 48+ hours, discharge summary within 48 hours, follow-up and discharge meds arranged (GP45).
C126A You're MRP: complex discharge ($95.10): Stay 7+ days, 3+ diagnoses that lengthened it, 45+ min on the discharge (A13).
C168A Concurrent care ($40.05): Family doctor stays MRP and asked you to keep directing care: 4 in the first week, then 2 per week (GP48).
C142A You're MRP: first visit after transfer out of ICU ($71.80): Patient had critical, ventilatory or comprehensive care in the ICU right before moving to a ward bed, and you didn't give that care. In place of C122A; not with C124A or C126A that day (GP46). Limit: 1 per admission.
C143A You're MRP: second visit after transfer out of ICU ($71.80): Same conditions as C142A. In place of C123A (GP46). Limit: 1 per admission.

Tips

MRP? Every subsequent visit gets E083A (+30%), or E084A (+45%) on Saturday, Sunday or a holiday. Not with concurrent care (GP47).
Chronic dialysis patient admitted for a complication or intercurrent illness: admission and subsequent visits are billable on top of the team fee. Routine dialysis supervision isn't (J39).
After week 5, an acute intercurrent illness beyond the limits is C121A ($40.05) (GP43).
In-patient re-assessments also exist: C163A $95.95, C164A $72.00, C161A $83.40 (A137).
Patient in a nursing home or chronic care bed? Use the W codes (Look up any code): W162A first 4 visits a month then W161A up to 6 more in chronic care; W163A first 2 then W168A up to 3 more in a nursing home; W121A for acute intercurrent illness outside those limits (A139, GP49).

Counselling or family interview

K013A Counselling or education ($80.00): Booked visit only for education, e.g. CKD and dialysis modality choice. First 3 units per patient per 12 months.
K033A Counselling, after the first 3 units this year ($56.30): Same service once K013A is used up for this patient.
K002A Interview with relatives or substitute decision-maker ($80.00): Separately booked 20+ minutes about the patient's care (e.g. starting or stopping dialysis), not just consent (GP61).

Tips

Any specialty may bill counselling and interviews (GP9). 20 minutes of K013A pays $80.00, more than an A164A ($72.00).
Not for patients on chronic dialysis: their counselling and family interviews are in the weekly team fee (J39).
Counselling must be pre-booked and is not paid with a consult or assessment the same day (GP58). A separately booked family interview (K002A), venipuncture and vaccines are on the list allowed with it (GP58).
Units: 20 min = 1, 46 = 2, 76 = 3. Chart start and stop times (GP55, GP7).

Video, phone or e-consult

A164A + K300A Video follow-up ($72.00): Patient you've seen in person in the last 24 months, or consulted by video. Full fee (A66).
A164A + K301A Phone follow-up ($72.00): Phone pays 85% of the in-person fee (A70).
A165A + K300A Video consultation ($180.75): Consultations are video only, never phone (Appendix J).
K731A Phone advice to another doctor or NP ($47.75): 10+ minutes, you give an opinion, both in Ontario. Not to arrange a visit or transfer, or mainly about results (A42–A43).
K739A e-Consult reply ($20.50): Opinion through a secure server within 30 days. Max 6 per patient per 12 months, 400 a year (A48).

Tips

E060A by video or phone pays 25% of the virtual fee, not 50% (A74).
K731A and K739A are not paid if you see the patient that day or the next (A43, A49).
A161A, A163A, A164A and A168A can be done by phone; every consult and in-patient C code is video only (Appendix J).
The patient has to start the contact (or it's a needed follow-up of one). A check-in call you start isn't billable (A68).

Also bill, if it's true

A164A Also saw the patient: medical specific re-assessment ($72.00): Only when the family interview was separately booked, 20+ min, and not the history-taking for this visit (GP61).
A161A Also saw the patient: complex re-assessment ($83.40): Only when the family interview was separately booked, 20+ min, and not the history-taking for this visit (GP61).
A163A Also saw the patient: medical specific assessment ($95.95): Only when the family interview was separately booked, 20+ min, and not the history-taking for this visit (GP61).
A168A Also saw the patient: partial assessment ($44.75): Only when the family interview was separately booked, 20+ min, and not the history-taking for this visit (GP61).
K013A Also counselled the patient, per unit ($80.00): Its own booked time: 20 min = 1 unit, 46 = 2, 76 = 3. K002A is on the list of services allowed with counselling (GP58). First 3 K013A units a year, then K033A ($56.30).
E060A Post kidney transplant care, within 3 years (+50%) (+50%): Visit is for post-transplant care. Not in ED, in-patient or LTC. By video or phone it is 25% (A136, A74).
E060A Post kidney transplant care, within 3 years (+25% virtual) (+25%): By video or phone E060A pays 25% of the virtual fee (A74).
E082A You admitted them as MRP (+30%) (+30%): This consult is your admission assessment. Once per admission; not for transfers within the hospital (GP42).
E083A You're the MRP (+30%) (+30%): Weekday subsequent visit as most responsible physician (GP47).
E084A You're the MRP, Saturday, Sunday or holiday (+45%) (+45%): Only one of E083A or E084A per patient per day (GP47).
E409A Non-elective, evening or weekend/holiday daytime (+50%) (+50%): Started 17–24 on a weekday, or 07–24 on Saturday, Sunday or a holiday (GP104).
E410A Non-elective, night 00–07 (+75%) (+75%): Treatment started between midnight and 7 am (GP104).
G866A Treatment at an auxiliary centre ($73.45): Per haemodialysis treatment, max 2 per week; 3+ treatments there = full weekly fee (J40).
C101A Patient seen in ICU or CCU ($9.10): Not with critical care, ventilatory or comprehensive care team fees (GP103).
G489A Blood drawn in your office ($3.54): Venipuncture, adult or adolescent (J7).
G842A Gave a hepatitis B vaccine ($8.80): Paid on top of the visit; includes the injection (J3, J54).
G590A Gave a flu shot ($8.80): Paid on top of the visit; includes the injection (J3, J54).
K002A Separately booked interview with relatives or substitute decision-maker ($80.00): Per unit: 20 min = 1, 46 = 2, 76 = 3. Its own booked appointment, not the visit's history-taking, not only for consent. Not for chronic dialysis patients (A28, GP61, J39).
K002A Also a separately booked interview with relatives or substitute decision-maker ($80.00): Per unit: 20 min = 1, 46 = 2, 76 = 3. K002A is on the list of services allowed with counselling; separate booked time, not just consent (GP58, GP61, A28).
K036A Filled in the Northern Health Travel Grant form ($10.25): Specialist's part of the form; payable to the referring doctor and the specialist (A60).
K070A Home care referral form to Ontario Health atHome ($34.75): You're the MRP giving ongoing care (e.g. CKD or post-transplant). Paid on top of the visit. Once per home care admission; not if already on home care (A58–A59).
K070A Home care referral form at discharge ($34.75): You're the MRP and will keep caring for the patient. Paid on top of the visit. Once per home care admission; not if already on home care (A58–A59).
K730A Phoned another specialist for advice about this patient ($37.05): You're the referring doctor and keep the patient's care; 10+ minutes, start and stop times charted. Not to arrange a referral, a transfer (e.g. for access surgery) or to discuss test results. Paid on top of today's visit; 1 per patient per day (A42–A44).
K121A In-patient case conference ($37.05): Per 10-minute unit (10, 16, 26, 36 min…). Pre-scheduled, with the MRP plus 2+ other physicians or regulated professionals; chart start/stop, participants and outcome. Paid with today's visit if the visit was done outside the conference. Max 4 per patient per 12 months, 8 units a day. For chronic dialysis patients, related case conferences are in the team fee (A31–A33, J39).

Did a procedure?

G324A Subclavian or jugular haemodialysis catheter inserted ($102.95): Temporary line (J37).
G327A Femoral dialysis catheter inserted ($77.30)
G099A Permanent (tunnelled) jugular or femoral dialysis catheter ($168.40): Includes subcutaneous positioning (J37).
G336A Haemodialysis catheter revision ($17.65)
G312A Thrombolytic instilled into a dialysis catheter ($15.40)
Z601A Kidney biopsy, needle ($153.85): Independent procedure: if planned at an earlier visit, only a partial assessment is payable before it that day (SP4).
J149 Ultrasound guidance of the biopsy (professional part) ($56.45): Bill J149C; one physician only (G11).
Z631A Fine needle aspiration of a kidney transplant ($45.15)
R853A Tenckhoff PD catheter inserted by trocar ($154.40): Chronic (J38).
R854A Tenckhoff catheter removed ($63.10)
G277A Therapeutic plasma exchange ($82.00): Each exchange, first 5 per year; after that G278A ($41.80) each (J9).
Z464A AV fistula or graft declotting by cannula ($150.00): Includes the imaging; no separate image fees (J38).
G379A IV started ($6.15)
G372A Injection with the visit (e.g. ESA, iron IM/SC) ($4.55): Each injection (J54).
G373A Injection was the only reason for the visit ($7.90): First injection (J54).

Can I bill these together?

E409A,E410A with G327A, G312A, J149: Sometimes. This procedure isn't on the GP104 list, so the after-hours premium doesn't raise its fee; it only applies to a listed non-elective procedure billed with it (GP104).
A165A,A160A,A865A,A166A with A163A, A164A, A161A, A168A: No. Only one consultation or assessment is paid for the same visit (GP10).
E060A with A163A, A164A, A161A, A168A: Yes. E060A adds 50% to these assessments for post-transplant care within 3 years of the transplant (A136).
E060A with A165A, A160A, C163A, C164A, C161A, C165A: No. E060A only adds to A163A, A164A, A161A or A168A, and never for in-patients or in the ED (A136).
E078A with A163A, A164A, A161A, A168A: No. Nephrology (16) isn't one of the specialties that can bill E078A (GP25).
G860A,G861A,G862A,G863A,G864A,G865A with A161A, A168A, K013A, K033A, K002A: No. The chronic dialysis team fee includes all nephrology consults, visits, counselling and interviews for dialysis and ESRD care, wherever done (J39).
G860A,G861A,G862A,G863A,G864A,G865A with K121A: Sometimes. Case conferences related to the dialysis and ESRD care are included in the team fee (J39, A32); bill K121A only for a conference about something outside that care.
G860A,G861A,G862A,G863A,G864A,G865A with A165A, A160A, A163A, A164A: Sometimes. Only for an emergent call to the emergency department (that assessment and its special visit premiums are outside the team fee) or an admission assessment of an acute in-patient for a complication or intercurrent illness. Office visits for dialysis or ESRD care are included (J39).
G860A,G861A,G862A,G863A,G864A,G865A with C165A, C160A, C865A, C166A, C163A, C164A, C161A, C162A, C167A, C169A, C121A, C122A, C123A, C124A, C126A, C142A, C143A: Sometimes. In-patient admission and subsequent visits are payable when the patient is admitted for complications of dialysis or CKD or an intercurrent illness, not for routine in-hospital dialysis supervision (J39).
G860A,G861A,G862A,G863A,G864A,G865A with G323A, G325A, G330A, G331A, G324A, G099A, Z601A: Yes. Other procedures, including acute dialysis treatments, are outside the team fee (J39).
G866A with G860A, G861A, G862A, G863A, G864A, G865A: Sometimes. With treatments at an auxiliary centre, the principal centre is paid 1/7 of the weekly fee per day it was responsible (J39–J40).
G412A,G408A,G409A with C165A, C163A, C164A, C161A, C162A, C122A, C123A, A165A, A163A: No. G412A, G408A and G409A include complete patient care (J69).
E409A,E410A with G325A: No. G325A is not on the list of procedures that take after-hours premiums (GP104).
E409A with E410A: No. One after-hours period per procedure: evening/weekend +50% or night +75% (GP104).
E409A,E410A with G323A, G330A, G331A, G083A, G082A, G085A, G090A, G324A, G099A, G336A: Sometimes. Only when the procedure was non-elective (or delayed by an emergency) and started in that period (GP104).
Z601A with A165A, A160A, A163A: Sometimes. Both paid when you decided on the biopsy at this visit. If it was planned at an earlier visit, only A168A is payable before it that day (SP4).
Z601A with J149: Yes. Ultrasound guidance of the biopsy is billed by the one physician who guides it (G11).
K731A,K739A with A165A, A160A, A163A, A164A, A161A, A168A, C165A, C162A, K013A: No. Not paid when the consultant sees the patient (consult, assessment, visit or K time code) the same day or the next day (A43, A49).
K013A,K033A with A165A, A160A, A163A, A164A, A161A, A168A: No. With counselling, no consult or assessment is paid the same day (GP58).
K013A with K033A: Yes. First 3 units per patient per 12 months are K013A, the rest K033A (GP58).
K013A,K033A with K002A, G489A, G372A, G842A, G590A, K730A, K036A, K035A: Yes. These are on the list of services payable the same day as counselling (GP58).
K013A,K033A with K070A: No. K070A isn't on the list of services payable the same day as counselling (GP58).
G373A with A165A, A160A, A163A, A164A, A161A, A168A, G372A: No. G373A is for an injection that was the only reason for the visit; with a visit bill G372A (J54).
E083A with E084A: No. Only one of E083A or E084A per patient per day (GP47).
E083A,E084A with C168A, C165A, C163A: No. E083A/E084A only add to subsequent visits by the MRP, not consults or concurrent care (GP47).
E082A with C162A, C122A, C123A, C124A, C126A, E083A: No. E082A only adds to the MRP's admission assessment and no other service or premium (GP42).
C122A,C123A with C124A, C126A: No. C122A and C123A aren't paid the same day as a discharge visit (GP44).
C124A with C126A: No. Only one of C124A or C126A per admission (A13).
C142A with C122A: No. Only one of C122A or C142A per admission (GP46).
C143A with C123A: No. Only one of C123A or C143A per admission (GP46).
C142A,C143A with C124A, C126A: No. C142A and C143A aren't paid the same day as a discharge visit C124A or C126A (GP46).

From the Ontario Schedule of Benefits (effective July 1, 2026): Nephrology pages A136–A139 (W124A terms A20), Practice in General (A28, A31–A33, A42–A49, A58–A60), the General Preamble (GP46, GP49–GP50), Diagnostic & Therapeutic Procedures (plasma exchange J9, Dialysis J37–J40, Nephrology J69, J54–J55, J68), Urinary Surgical Procedures and Diagnostic Ultrasound (G11). Dialysis, catheter and biopsy codes marked # are paid without premises costs, which the hospital or ICHSC covers. OHIP adds age premiums on the remittance (GP64: +10% to +30% on specialist consultations and procedures for patients under 16), so they are not in these totals. Video and phone amounts assume OHIP's 85% phone rate; E060A on a virtual visit is 25% of the virtual fee. Check your remittance advice if a fee looks different.

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