DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

S80 Superficial injury of knee and lower leg

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

S80 is not billable. The category heads 144 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

Where it sits

  1. Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
  2. S80-S89 Injuries to the knee and lower leg (S80-S89)
  3. S80 Superficial injury of knee and lower leg
Billable codes
144
Subdivisions
5
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
16

Codes in S80

  1. S80.0
    Contusion of knee
    Header
  2. S80.00
    Contusion of unspecified knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  3. S80.01
    Contusion of right knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  4. S80.02
    Contusion of left knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  5. S80.1
    Contusion of lower leg
    Header
  6. S80.10
    Contusion of unspecified lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  7. S80.11
    Contusion of right lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  8. S80.12
    Contusion of left lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  9. S80.2
    Other superficial injuries of knee
    Header
  10. S80.21
    Abrasion of knee
    Header
  11. S80.211
    Abrasion, right knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  12. S80.212
    Abrasion, left knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  13. S80.219
    Abrasion, unspecified knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  14. S80.22
    Blister (nonthermal) of knee
    Header
  15. S80.221
    Blister (nonthermal), right knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  16. S80.222
    Blister (nonthermal), left knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  17. S80.229
    Blister (nonthermal), unspecified knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  18. S80.24
    External constriction of knee
    Header
  19. S80.241
    External constriction, right knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  20. S80.242
    External constriction, left knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  21. S80.249
    External constriction, unspecified knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  22. S80.25
    Superficial foreign body of knee
    Header
    Inclusion terms 1

    Inclusion terms

    • Splinter in the knee
  23. S80.251
    Superficial foreign body, right knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  24. S80.252
    Superficial foreign body, left knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  25. S80.259
    Superficial foreign body, unspecified knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  26. S80.26
    Insect bite (nonvenomous) of knee
    Header
  27. S80.261
    Insect bite (nonvenomous), right knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  28. S80.262
    Insect bite (nonvenomous), left knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  29. S80.269
    Insect bite (nonvenomous), unspecified knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  30. S80.27
    Other superficial bite of knee
    Header
    Excludes1 1

    Excludes1

    • open bite of knee (S81.05-) S81.05
  31. S80.271
    Other superficial bite of right knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  32. S80.272
    Other superficial bite of left knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  33. S80.279
    Other superficial bite of unspecified knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  34. S80.8
    Other superficial injuries of lower leg
    Header
  35. S80.81
    Abrasion of lower leg
    Header
  36. S80.811
    Abrasion, right lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  37. S80.812
    Abrasion, left lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  38. S80.819
    Abrasion, unspecified lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  39. S80.82
    Blister (nonthermal) of lower leg
    Header
  40. S80.821
    Blister (nonthermal), right lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  41. S80.822
    Blister (nonthermal), left lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  42. S80.829
    Blister (nonthermal), unspecified lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  43. S80.84
    External constriction of lower leg
    Header
  44. S80.841
    External constriction, right lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  45. S80.842
    External constriction, left lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  46. S80.849
    External constriction, unspecified lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  47. S80.85
    Superficial foreign body of lower leg
    Header
    Inclusion terms 1

    Inclusion terms

    • Splinter in the lower leg
  48. S80.851
    Superficial foreign body, right lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  49. S80.852
    Superficial foreign body, left lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  50. S80.859
    Superficial foreign body, unspecified lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  51. S80.86
    Insect bite (nonvenomous) of lower leg
    Header
  52. S80.861
    Insect bite (nonvenomous), right lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  53. S80.862
    Insect bite (nonvenomous), left lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  54. S80.869
    Insect bite (nonvenomous), unspecified lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  55. S80.87
    Other superficial bite of lower leg
    Header
    Excludes1 1

    Excludes1

    • open bite of lower leg (S81.85-) S81.85
  56. S80.871
    Other superficial bite, right lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  57. S80.872
    Other superficial bite, left lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  58. S80.879
    Other superficial bite, unspecified lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  59. S80.9
    Unspecified superficial injury of knee and lower leg
    Header
  60. S80.91
    Unspecified superficial injury of knee
    Header
  61. S80.911
    Unspecified superficial injury of right knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  62. S80.912
    Unspecified superficial injury of left knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  63. S80.919
    Unspecified superficial injury of unspecified knee +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  64. S80.92
    Unspecified superficial injury of lower leg
    Header
  65. S80.921
    Unspecified superficial injury of right lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  66. S80.922
    Unspecified superficial injury of left lower leg +7th: A D S
    Needs 7th characterExempt: 2 of 3 7th characters
  67. S80.929
    Unspecified superficial injury of unspecified lower 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 S80

Excludes2

  • superficial injury of ankle and foot (S90.-) S90

Notes that also apply

Block S80-S89 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 S80 defined here

The appropriate 7th character is to be added to each code from category S80

7th characters for S80
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

  • Contusion (skin surface intact)knee → S80.0-
  • Contusion (skin surface intact)leg (lower) → S80.1-
  • Abrasionknee → S80.21-
  • Blister (nonthermal)knee → S80.22-
  • Abrasionleg (lower) → S80.81-
  • Blister (nonthermal)leg (lower) → S80.82-
  • Constrictionexternalknee → S80.24-
  • Foreign bodysuperficial, without open woundknee → S80.25-
  • Bite(s) (animal) (human)kneesuperficial NEC → S80.27-
  • Constrictionexternalleg (lower) → S80.84-
  • Foreign bodysuperficial, without open woundleg (lower) → S80.85-
  • Bite(s) (animal) (human)leg (lower)superficial NEC → S80.87-
  • Injurysuperficial NECknee → S80.91-
  • Injurysuperficial NECleg (lower) → S80.92-
  • Bite(s) (animal) (human)kneesuperficial NECinsect → S80.26-
  • Bite(s) (animal) (human)leg (lower)superficial NECinsect → S80.86-

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

Hierarchy