What are the billing rules for F031A?

Rigid immobilization means a custom-molded device applied by the physician. A simple splint, such as a metal splint, is not rigid immobilization and is billed as a visit only (N1). The major pre-operative visit (the consultation or assessment) can be billed in addition (N1). A cast or corrective splint applied during the first 2 weeks is included in the fracture or dislocation fee; later casts are billed from the cast listings (N7).

What is F031A often billed with?

The consultation or assessment that is the major pre-operative visit (N1).

< Billing codes

Billing code

F031A — Radius or ulna fracture – no reduction, rigid immobilization

Q: What is OHIP billing code F031A?

Treatment of a fracture of the radius or ulna without reduction, using rigid immobilization the physician custom-molds and applies.

Radius or ulna, no reduction

Bill for a fracture of the radius or ulna treated without reduction, using a custom-molded rigid device you apply.

Watch for: A simple metal splint isn't rigid immobilization and is billed as a visit only.

Provider	Specialist	Assistant	Anaesthetist	Non-anaesthetist
$81.30	$0.00	$0.00	$0.00	$0.00

Code: F031A
Description: Radius or ulna fracture – no reduction, rigid immobilization
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

Treatment of a fracture of the radius or ulna without reduction, using rigid immobilization the physician custom-molds and applies.

What it covers

F031 is treatment of a fracture of the radius or ulna without reduction, using rigid immobilization (N21).

Closed reduction is F032, and open reduction is F033 (N21). Fractures of both the radius and ulnar shaft are F024 to F026, and distal radius fractures have their own listings (F027, F028, F046, F030) (N21).

Billing rules

Rigid immobilization means a custom-molded device applied by the physician. A simple splint, such as a metal splint, is not rigid immobilization and is billed as a visit only (N1).
The major pre-operative visit (the consultation or assessment) can be billed in addition (N1).
A cast or corrective splint applied during the first 2 weeks is included in the fracture or dislocation fee; later casts are billed from the cast listings (N7).
If you transfer the patient to another physician for after-care, bill 75% of the listed fee; the physician giving after-care bills visit fees (N2).
Multiple fractures or dislocations: the major one is paid at 100% and each of the others at 85% (N1).
Non-elective fracture or dislocation care started in the evening, on a weekend or holiday, or at night takes an after-hours premium: E412 (+20%) or E413 (+40%) for an Emergency Department Physician billing H codes, or E409 (+50%) or E410 (+75%) for other physicians (GP103, GP104).
Patients under 16: payment is increased by 10% to 30% depending on age (GP64).

Often billed with

The consultation or assessment that is the major pre-operative visit (N1).

Related codes: F032, F033, F024, F027, F014

Source: Schedule of Benefits (July 1, 2026), Musculoskeletal System Surgical Procedures, Elbow and Forearm, page N21.

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