S54.00XS ICD-10 Code: Injury of ulnar nerve at forearm level, unspecified arm, sequela

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.

Injury of ulnar nerve at forearm level, unspecified arm, sequela is a billable ICD-10-CM diagnosis code (S54.00S).

Sequencing, inclusion, and exclusion notes published for S54.00XS in the official ICD-10-CM tabular list.

Conditions not covered by this code, but which may be reported alongside it when both are present.

injury of nerves at wrist and hand level (S64.-)
burns and corrosions (T20-T32)
frostbite (T33-T34)
injuries of wrist and hand (S60-S69)
insect bite or sting, venomous (T63.4)

Additional codes that may be required to fully describe the encounter.

Yes. The appropriate 7th character is to be added to each code from category S54.

Official ICD-10-CM classifications closest to S54.00XS in its code family, with their registry titles.

S54 — Injury of nerves at forearm level
S54.0 — Injury of ulnar nerve at forearm level
S54.00 — Injury of ulnar nerve at forearm level, unspecified arm
S54.00XA — Injury of ulnar nerve at forearm level, unspecified arm, initial encounter
S54.00XD — Injury of ulnar nerve at forearm level, unspecified arm, subsequent encounter
S54.01 — Injury of ulnar nerve at forearm level, right arm
S54.01XA — Injury of ulnar nerve at forearm level, right arm, initial encounter
S54.01XD — Injury of ulnar nerve at forearm level, right arm, subsequent encounter
S54.01XS — Injury of ulnar nerve at forearm level, right arm, sequela
S54.02 — Injury of ulnar nerve at forearm level, left arm