DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

S98 Traumatic amputation of ankle and foot

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

S98 is not billable. The category heads 108 billable codes in FY2027, grouped under 5 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.

Index → code

  • Amputationtraumatic (complete) (partial)toe (lesser) → S98.13-
  • Amputationtraumatic (complete) (partial)foot (complete) → S98.91-
  • Amputationtraumatic (complete) (partial)toe (lesser)great → S98.11-

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. S98 Traumatic amputation of ankle and foot
Billable codes
108
Subdivisions
5
CC / MCC codes
18 / 0
HCC V28 codes
18
New FY2027
0
Index entries
12

Codes in S98

  1. S98.0
    Traumatic amputation of foot at ankle level
    Header
  2. S98.01
    Complete traumatic amputation of foot at ankle level
    Header
  3. S98.011
    Complete traumatic amputation of right foot at ankle level +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  4. S98.012
    Complete traumatic amputation of left foot at ankle level +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  5. S98.019
    Complete traumatic amputation of unspecified foot at ankle level +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  6. S98.02
    Partial traumatic amputation of foot at ankle level
    Header
  7. S98.021
    Partial traumatic amputation of right foot at ankle level +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  8. S98.022
    Partial traumatic amputation of left foot at ankle level +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  9. S98.029
    Partial traumatic amputation of unspecified foot at ankle level +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  10. S98.1
    Traumatic amputation of one toe
    Header
  11. S98.11
    Complete traumatic amputation of great toe
    Header
  12. S98.111
    Complete traumatic amputation of right great toe +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  13. S98.112
    Complete traumatic amputation of left great toe +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  14. S98.119
    Complete traumatic amputation of unspecified great toe +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  15. S98.12
    Partial traumatic amputation of great toe
    Header
  16. S98.121
    Partial traumatic amputation of right great toe +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  17. S98.122
    Partial traumatic amputation of left great toe +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  18. S98.129
    Partial traumatic amputation of unspecified great toe +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  19. S98.13
    Complete traumatic amputation of one lesser toe
    Header
    Inclusion terms 1

    Inclusion terms

    • Traumatic amputation of toe NOS
  20. S98.131
    Complete traumatic amputation of one right lesser toe +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  21. S98.132
    Complete traumatic amputation of one left lesser toe +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  22. S98.139
    Complete traumatic amputation of one unspecified lesser toe +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  23. S98.14
    Partial traumatic amputation of one lesser toe
    Header
  24. S98.141
    Partial traumatic amputation of one right lesser toe +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  25. S98.142
    Partial traumatic amputation of one left lesser toe +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  26. S98.149
    Partial traumatic amputation of one unspecified lesser toe +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  27. S98.2
    Traumatic amputation of two or more lesser toes
    Header
  28. S98.21
    Complete traumatic amputation of two or more lesser toes
    Header
  29. S98.211
    Complete traumatic amputation of two or more right lesser toes +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  30. S98.212
    Complete traumatic amputation of two or more left lesser toes +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  31. S98.219
    Complete traumatic amputation of two or more unspecified lesser toes +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  32. S98.22
    Partial traumatic amputation of two or more lesser toes
    Header
  33. S98.221
    Partial traumatic amputation of two or more right lesser toes +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  34. S98.222
    Partial traumatic amputation of two or more left lesser toes +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  35. S98.229
    Partial traumatic amputation of two or more unspecified lesser toes +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  36. S98.3
    Traumatic amputation of midfoot
    Header
  37. S98.31
    Complete traumatic amputation of midfoot
    Header
  38. S98.311
    Complete traumatic amputation of right midfoot +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  39. S98.312
    Complete traumatic amputation of left midfoot +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  40. S98.319
    Complete traumatic amputation of unspecified midfoot +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  41. S98.32
    Partial traumatic amputation of midfoot
    Header
  42. S98.321
    Partial traumatic amputation of right midfoot +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  43. S98.322
    Partial traumatic amputation of left midfoot +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  44. S98.329
    Partial traumatic amputation of unspecified midfoot +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  45. S98.9
    Traumatic amputation of foot, level unspecified
    Header
  46. S98.91
    Complete traumatic amputation of foot, level unspecified
    Header
  47. S98.911
    Complete traumatic amputation of right foot, level unspecified +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  48. S98.912
    Complete traumatic amputation of left foot, level unspecified +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  49. S98.919
    Complete traumatic amputation of unspecified foot, level unspecified +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  50. S98.92
    Partial traumatic amputation of foot, level unspecified
    Header
  51. S98.921
    Partial traumatic amputation of right foot, level unspecified +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  52. S98.922
    Partial traumatic amputation of left foot, level unspecified +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters
  53. S98.929
    Partial traumatic amputation of unspecified foot, level unspecified +7th: A D S
    Needs 7th characterCC A405 (some 7th characters)Exempt: 2 of 3 7th characters

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

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 S98

Inclusion terms

  • An amputation not identified as partial or complete should be coded to complete

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 S98 defined here

The appropriate 7th character is to be added to each code from category S98

7th characters for S98
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

  • Amputationtraumatic (complete) (partial)toe (lesser) → S98.13-
  • Amputationtraumatic (complete) (partial)foot (complete) → S98.91-
  • Amputationtraumatic (complete) (partial)foot (complete)at ankle level → S98.01-
  • Amputationtraumatic (complete) (partial)toe (lesser)great → S98.11-
  • Amputationtraumatic (complete) (partial)toe (lesser)partial → S98.14-
  • Amputationtraumatic (complete) (partial)toe (lesser)more than one → S98.21-
  • Amputationtraumatic (complete) (partial)foot (complete)midfoot → S98.31-
  • Amputationtraumatic (complete) (partial)foot (complete)partial → S98.92-
  • Amputationtraumatic (complete) (partial)foot (complete)at ankle levelpartial → S98.02-
  • Amputationtraumatic (complete) (partial)toe (lesser)greatpartial → S98.12-
  • Amputationtraumatic (complete) (partial)toe (lesser)more than onepartial → S98.22-
  • Amputationtraumatic (complete) (partial)foot (complete)midfootpartial → S98.32-

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

Hierarchy