S42.201A — Unspecified fracture of upper end of right humerus, initial encounter for closed fracture
S42.201A

What this code means
A fracture of the upper end of the right humerus (the arm bone near the shoulder), closed, at the first encounter; type unspecified.
Also called: right humerus fracture, proximal humerus fracture.
When this code is used
Used for unspecified fracture of upper end of right humerus, initial encounter for closed fracture.
Where it sits in ICD-10-CM
Code S42.201A belongs to Chapter 19: Injury, poisoning and certain other consequences of external causes, which covers codes S00–T88 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Related anatomy
Watch: related videos
Frequently asked questions
What is ICD-10-CM code S42.201A?
S42.201A is the ICD-10-CM diagnosis code for “Unspecified fracture of upper end of right humerus, initial encounter for closed fracture”. A fracture of the upper end of the right humerus (the arm bone near the shoulder), closed, at the first encounter; type unspecified.
When is code S42.201A used?
Used for unspecified fracture of upper end of right humerus, initial encounter for closed fracture. It belongs to Chapter 19 of ICD-10-CM (Injury, poisoning and certain other consequences of external causes).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.
More codes in Chapter 19
S00.93XA — Contusion of unspecified part of head, initial encounter
S01.01XA — Laceration without foreign body of scalp, initial encounter
S02.2XXA — Fracture of nasal bones, initial encounter for closed fracture
S05.01XA — Injury of conjunctiva and corneal abrasion without foreign body, right eye, initial encounter
S06.0X0A — Concussion without loss of consciousness, initial encounter
S09.90XA — Unspecified injury of head, initial encounter