DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

S94 Injury of nerves at ankle and foot level

  • Header · not billable
  • Codes take a 7th character

S94 is not billable. The category heads 54 billable codes in FY2027, grouped under 6 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

Index → code

  • Injurynerve NECfoot → S94.9-
  • Injurynerve NECankle → S94.9-
  • Injurynerve NECmedial plantar → S94.1-

Where it sits

  1. Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. S90-S99 Injuries to the ankle and foot (S90-S99)
  3. S94 Injury of nerves at ankle and foot level
Billable codes
54
Subdivisions
6
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
13

Codes in S94

  1. S94.0
    Injury of lateral plantar nerve
    Header
  2. S94.00
    Injury of lateral plantar nerve, unspecified leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  3. S94.01
    Injury of lateral plantar nerve, right leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  4. S94.02
    Injury of lateral plantar nerve, left leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  5. S94.1
    Injury of medial plantar nerve
    Header
  6. S94.10
    Injury of medial plantar nerve, unspecified leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  7. S94.11
    Injury of medial plantar nerve, right leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  8. S94.12
    Injury of medial plantar nerve, left leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  9. S94.2
    Injury of deep peroneal nerve at ankle and foot level
    Header
    Inclusion terms 1

    Inclusion terms

    • Injury of terminal, lateral branch of deep peroneal nerve
  10. S94.20
    Injury of deep peroneal nerve at ankle and foot level, unspecified leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  11. S94.21
    Injury of deep peroneal nerve at ankle and foot level, right leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  12. S94.22
    Injury of deep peroneal nerve at ankle and foot level, left leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  13. S94.3
    Injury of cutaneous sensory nerve at ankle and foot level
    Header
  14. S94.30
    Injury of cutaneous sensory nerve at ankle and foot level, unspecified leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  15. S94.31
    Injury of cutaneous sensory nerve at ankle and foot level, right leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  16. S94.32
    Injury of cutaneous sensory nerve at ankle and foot level, left leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  17. S94.8
    Injury of other nerves at ankle and foot level
    Header
  18. S94.8X
    Injury of other nerves at ankle and foot level
    Header
  19. S94.8X1
    Injury of other nerves at ankle and foot level, right leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  20. S94.8X2
    Injury of other nerves at ankle and foot level, left leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  21. S94.8X9
    Injury of other nerves at ankle and foot level, unspecified leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  22. S94.9
    Injury of unspecified nerve at ankle and foot level
    Header
  23. S94.90
    Injury of unspecified nerve at ankle and foot level, unspecified leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  24. S94.91
    Injury of unspecified nerve at ankle and foot level, right leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  25. S94.92
    Injury of unspecified nerve at ankle and foot level, left leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters

Sources of each column. Rows marked +7th need a 7th character: pick one to build the full code; its code card has its own flags.

Instructions

At S94

Code also

  • any associated open wound (S91.-) S91

Notes that also apply

Block S90-S99 instructions (Excludes2 4): printed on the block page.

Chapter 19 instructions (Notes 2, Excludes2 2, Use additional code 1): printed on the chapter 19 page.

7th characters

7th characters for S94 defined here

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

7th characters for S94
7thMeaning (NCHS)
Ainitial encounter
Dsubsequent encounter
Ssequela

A code that takes a 7th character is invalid without it; the placeholder X fills a code shorter than 6 characters (Official Guidelines I.A.5). How 7th characters work.

Index entries

  • Injurynerve NEClateral plantar → S94.0-
  • Injurynerve NECmedial plantar → S94.1-
  • Injurynerve NECankle → S94.9-
  • Injurynerve NECfoot → S94.9-
  • Injurynerve NECfootlateral plantar → S94.0-
  • Injurynerve NECfootmedial plantar → S94.1-
  • Injurynerve NECfootdeep peroneal → S94.2-
  • Injurynerve NECperoneal (lower leg level)foot → S94.2-
  • Injurynerve NECanklecutaneous sensory → S94.3-
  • Injurynerve NECcutaneous sensoryankle (level) → S94.3-
  • Injurynerve NECfootcutaneous sensory → S94.3-
  • Injurynerve NECanklespecified site NEC → S94.8
  • Injurynerve NECfootspecified site NEC → S94.8

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy