What are the billing rules for Z732A?

As a Z code, payable in addition to an assessment (GP4); if the major pre-operative visit was in the previous 12 months, only a minor assessment (GP/FP) or partial assessment (specialist) is payable before it that day (SP4). In composite operations, such as anterior and posterior repair with cauterization of the cervix and biopsy, only the major procedure fee(s) are payable (V1). FHO: the after-hours premium (Q012A on the claim) is calculated on listed codes such as A007A, not on Z732 (Agreement p.68 §8.12).

What is Z732A often billed with?

A007 intermediate assessment at the visit where the decision to treat is made (GP4, SP4).

Why is Z732A rejected?

A2B: OHIP flagged Z732, a procedure on the cervix, as not usual for the sex on the patient's OHIP record. Check the health number and patient details on the claim against the patient's card and record.

< Billing codes

Billing code

Z732A — Cauterization of cervix by cryotherapy

Q: What is OHIP billing code Z732A?

Cryotherapy (cauterization) of the cervix. Chemical cauterization is paid as a visit; cryoconization for dysplasia is Z729.

Cervical cryotherapy

Bill for cauterizing the cervix by cryotherapy.

Watch for: Chemical cautery is paid as a visit, and cryoconization for dysplasia is Z729.

Provider	Specialist	Assistant	Anaesthetist	Non-anaesthetist
$17.30	$0.00	$0.00	$0.00	$0.00

Code: Z732A
Description: Cauterization of cervix by cryotherapy
FHO+ basket: Not in the FHO+ base rate basket (Schedule 2 or 2B).
Effective date: Apr 1, 2025
Termination date: No end date

Explanation

Updated October 26, 2026

Cryotherapy (cauterization) of the cervix. Chemical cauterization is paid as a visit; cryoconization for dysplasia is Z729.

What it covers

Z732 is cauterization of the cervix by cryotherapy, listed under Cervix Uteri (V6). The other cauterization listings are chemical (visit fee only), Z724 electrocautery and Z725 dilatation and cauterization under general anaesthesia (V6).

Cryoconization, electroconization or CO2 laser therapy for a premalignant lesion (dysplasia or carcinoma in situ) is a different code, Z729 (V6).

Billing rules

As a Z code, payable in addition to an assessment (GP4); if the major pre-operative visit was in the previous 12 months, only a minor assessment (GP/FP) or partial assessment (specialist) is payable before it that day (SP4).
In composite operations, such as anterior and posterior repair with cauterization of the cervix and biopsy, only the major procedure fee(s) are payable (V1).
FHO: the after-hours premium (Q012A on the claim) is calculated on listed codes such as A007A, not on Z732 (Agreement p.68 §8.12).

Often billed with

A007 intermediate assessment at the visit where the decision to treat is made (GP4, SP4).

Common rejections

A2B: OHIP flagged Z732, a procedure on the cervix, as not usual for the sex on the patient's OHIP record. Check the health number and patient details on the claim against the patient's card and record.

Related codes: Z724, Z725, Z729, Z766, Z731, Z720, A007

Source: Schedule of Benefits (July 1, 2026), Female Genital Surgical Procedures, Cervix Uteri, Cauterization, page V6; section preamble V1.

APEX checks every paid claim against the Schedule of Benefits and flags codes billed below what the visit qualified for. See how APEX works · Pricing