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S42.3

Non-billable

Fracture of shaft of humerus

S42.3 is the ICD-10-CM code for Fracture of shaft of humerus. It is a non-billable category code — use a more specific child code such as S42.30 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Parent
S42
Subcodes
8
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

Includes

  • •Fracture of humerus NOS
  • •Fracture of upper arm NOS

Excludes2 — not included here

  • •physeal fractures of upper end of humerus (S49.0-)
  • •physeal fractures of lower end of humerus (S49.1-)

Frequently asked questions

What is ICD-10 code S42.3?
S42.3 is the ICD-10-CM code for "Fracture of shaft of humerus". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is S42.3 a billable code?
No — S42.3 is a non-billable header code. Use a more specific child code (such as S42.30) for billing.
What are the subcodes of S42.3?
S42.3 has 8 more specific child codes, including S42.30, S42.31, S42.32.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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