S64.9 – Injury of unspecified nerve at wrist and hand level
ICD-10-CM 2027 diagnosis code · Injuries to the wrist, hand and fingers
- Code
S64.9(claims format:S649)- Description
- Injury of unspecified nerve at wrist and hand level
- 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
Billable codes under S64.9
S64.9 is a header code and cannot be used on claims. Choose the most specific code:
- S64.90 – Injury of unspecified nerve at wrist and hand level of unspecified armHeader (more codes below)
- S64.91 – Injury of unspecified nerve at wrist and hand level of right armHeader (more codes below)
- S64.92 – Injury of unspecified nerve at wrist and hand level of left armHeader (more codes below)
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
Index terms for S64.9
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in S64
- S64.0 – Injury of ulnar nerve at wrist and hand levelHeader
- S64.1 – Injury of median nerve at wrist and hand levelHeader
- S64.2 – Injury of radial nerve at wrist and hand levelHeader
- S64.3 – Injury of digital nerve of thumbHeader
- S64.4 – Injury of digital nerve of other and unspecified fingerHeader
- S64.8 – Injury of other nerves at wrist and hand levelHeader
Frequently asked questions
What is ICD-10 code S64.9?
S64.9 is the ICD-10-CM code for injury of unspecified nerve at wrist and hand level, in the block S60-S69 (Injuries to the wrist, hand and fingers).
Is S64.9 a billable code?
No. S64.9 is a header code with more specific child codes; report one of the billable codes listed above.
What category does S64.9 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.