S64.01XD ICD-10 Code: Injury of ulnar nerve at wrist and hand level of right arm, subsequent encounter

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 wrist and hand level of right arm, subsequent encounter is a billable ICD-10-CM diagnosis code (S64.01D).

Sequencing, inclusion, and exclusion notes published for S64.01XD 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.

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 S64.

Official ICD-10-CM classifications closest to S64.01XD in its code family, with their registry titles.

S64.00XA — Injury of ulnar nerve at wrist and hand level of unspecified arm, initial encounter
S64.00XD — Injury of ulnar nerve at wrist and hand level of unspecified arm, subsequent encounter
S64.00XS — Injury of ulnar nerve at wrist and hand level of unspecified arm, sequela
S64.01 — Injury of ulnar nerve at wrist and hand level of right arm
S64.01XA — Injury of ulnar nerve at wrist and hand level of right arm, initial encounter
S64.01XS — Injury of ulnar nerve at wrist and hand level of right arm, sequela
S64.02 — Injury of ulnar nerve at wrist and hand level of left arm
S64.02XA — Injury of ulnar nerve at wrist and hand level of left arm, initial encounter
S64.02XD — Injury of ulnar nerve at wrist and hand level of left arm, subsequent encounter
S64.02XS — Injury of ulnar nerve at wrist and hand level of left arm, sequela