S64.32 ICD-10-CM Code: Injury of digital nerve of left thumb
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for S64.32 in the official ICD-10-CM tabular list.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- burns and corrosions (T20-T32)
- frostbite (T33-T34)
- insect bite or sting, venomous (T63.4)
Code Also
Additional codes that may be required to fully describe the encounter.
- any associated open wound (S61.-)
Frequently Asked Questions (FAQ) & Clinical Guidance
Can S64.32 be billed directly?
No. S64.32 (Injury of digital nerve of left thumb) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Does S64.32 require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category S64.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to S64.32 in its code family, with their registry titles.
- S64.30XS — Injury of digital nerve of unspecified thumb, sequela
- S64.31 — Injury of digital nerve of right thumb
- S64.31XA — Injury of digital nerve of right thumb, initial encounter
- S64.31XD — Injury of digital nerve of right thumb, subsequent encounter
- S64.31XS — Injury of digital nerve of right thumb, sequela
- S64.32XA — Injury of digital nerve of left thumb, initial encounter
- S64.32XD — Injury of digital nerve of left thumb, subsequent encounter
- S64.32XS — Injury of digital nerve of left thumb, sequela
- S64.4 — Injury of digital nerve of other and unspecified finger
- S64.40 — Injury of digital nerve of unspecified finger