S64.10 – Injury of median nerve at wrist and hand level of unspecified arm
ICD-10-CM 2027 diagnosis code · Injuries to the wrist, hand and fingers
- Code
S64.10(claims format:S6410)- Description
- Injury of median nerve at wrist and hand level of unspecified arm
- Short description
- Injury of median nerve at wrist and hand level of unsp arm
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
- Block
- S60-S69 Injuries to the wrist, hand and fingers
- Parent codes
- S64 › S64.1
Billable codes under S64.10
S64.10 is a header code and cannot be used on claims. Choose the most specific code:
- S64.10XA – Injury of median nerve at wrist and hand level of unspecified arm, initial encounterBillable
- S64.10XD – Injury of median nerve at wrist and hand level of unspecified arm, subsequent encounterBillable
- S64.10XS – Injury of median nerve at wrist and hand level of unspecified arm, sequelaBillable
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
S64 – Injury of nerves at wrist and hand level
- any associated open wound (S61.-)
- The appropriate 7th character is to be added to each code from category S64
Block S60-S69
Related codes in S64.1
Frequently asked questions
What is ICD-10 code S64.10?
S64.10 is the ICD-10-CM code for injury of median nerve at wrist and hand level of unspecified arm, in the block S60-S69 (Injuries to the wrist, hand and fingers).
Is S64.10 a billable code?
No. S64.10 is a header code with more specific child codes; report one of the billable codes listed above.
What category does S64.10 belong to?
It belongs to category S64 – Injury of nerves at wrist and hand level.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.