S94 – Injury of nerves at ankle and foot level

ICD-10-CM 2027 diagnosis code · Injuries to the ankle and foot

Non-billable header

ICD-10-CM code S94

Code: S94 (claims format: S94)
Description: Injury of nerves at ankle and foot 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: S90-S99 Injuries to the ankle and foot

Billable codes under S94

S94 is a header code and cannot be used on claims. Choose the most specific code:

S94.0 – Injury of lateral plantar nerveHeader (more codes below)
S94.1 – Injury of medial plantar nerveHeader (more codes below)
S94.2 – Injury of deep peroneal nerve at ankle and foot levelHeader (more codes below)
S94.3 – Injury of cutaneous sensory nerve at ankle and foot levelHeader (more codes below)
S94.8 – Injury of other nerves at ankle and foot levelHeader (more codes below)
S94.9 – Injury of unspecified nerve at ankle and foot levelHeader (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 for S94

Code also:

any associated open wound (S91.-)

7th character note:

The appropriate 7th character is to be added to each code from category S94

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block S90-S99

Excludes2 (not included here):

burns and corrosions (T20-T32)
fracture of ankle and malleolus (S82.-)
frostbite (T33-T34)
insect bite or sting, venomous (T63.4)

Frequently asked questions

What is ICD-10 code S94?

S94 is the ICD-10-CM code for injury of nerves at ankle and foot level, in the block S90-S99 (Injuries to the ankle and foot).

Is S94 a billable code?

No. S94 is a header code with more specific child codes; report one of the billable codes listed above.

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.