S64.00

Hierarchy

Where S64.00 sits in the official hierarchy. Each level is the code it is classified under.

1. S64 Injury of nerves at wrist and hand level
2. S64.0 Parent Injury of ulnar nerve at wrist and hand level
3. S64.00 This code Injury of ulnar nerve at wrist and hand level of unspecified arm

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

• S64.00XA Injury of ulnar nerve at wrist and hand level of unspecified arm, initial encounter Billable
• S64.00XD Injury of ulnar nerve at wrist and hand level of unspecified arm, subsequent encounter Billable
• S64.00XS Injury of ulnar nerve at wrist and hand level of unspecified arm, sequela Billable

Version History

How S64.00 appears in each release imported from the official files, newest first.

1. FY 2027 Effective October 1, 2026

   Current

   Injury of ulnar nerve at wrist and hand level of unspecified arm

2. FY 2026 Effective October 1, 2025

   Unchanged

   Injury of ulnar nerve at wrist and hand level of unspecified arm