DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 19

S80-S89 Injuries to the knee and lower leg (S80-S89)

Block S80-S89 groups 10 categories with 4,680 billable codes in FY2027.

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)

Neighbouring blocks

Categories
10
Billable codes
4,680
CC codes
1,656
MCC codes
252
HCC V28 codes
18
New FY2027
0

Categories in S80-S89

  • S80

    Superficial injury of knee and lower leg

    Abrasionknee → S80.21-

    • 144 billable codes
  • S81

    Open wound of knee and lower leg

    Punctureknee → S81.039

    • 108 billable codes
  • S82

    Fracture of lower leg, including ankle

    Fracture, traumatic (abduction) (adduction) (separation)ankle → S82.899

    • 3,096 billable codes
    • 1,410 CC
    • 234 MCC
  • S83

    Dislocation and sprain of joints and ligaments of knee

    Subluxationknee → S83.10-

    • 351 billable codes
  • S84

    Injury of nerves at lower leg level

    Injurynerve NECleg (lower) → S84.9-

    • 45 billable codes
  • S85

    Injury of blood vessels at lower leg level

    Injuryblood vessel NECtibial artery → S85.10-

    • 270 billable codes
    • 72 CC
    • 18 MCC
  • S86

    Injury of muscle, fascia and tendon at lower leg level

    Shin splints → S86.89

    • 216 billable codes
    • 18 CC
  • S87

    Crushing injury of lower leg

    Crush, crushed, crushingknee → S87.0-

    • 18 billable codes
  • S88

    Traumatic amputation of lower leg

    Amputationtraumatic (complete) (partial)leg (lower) → S88.91-

    • 54 billable codes
    • 18 CC
    • 18 with HCC
  • S89

    Other and unspecified injuries of lower leg

    Surfer's knots or nodules → S89.8-

    • 378 billable codes
    • 138 CC

Index main terms

  • Fracture, traumatic (abduction) (adduction) (separation) → S82, S89 (91 entries)
  • Injury → S80, S84, S85, S86, S89 (65 entries)
  • Puncture → S81 (12 entries)
  • Tear, torn (traumatic) → S83 (12 entries)
  • Sprain (joint) (ligament) → S83 (11 entries)
  • Laceration → S81, S86 (10 entries)
  • Dislocation (articular) → S83 (9 entries)
  • Subluxation → S83 (9 entries)
  • Amputation → S88 (6 entries)
  • Bite(s) (animal) (human) → S80, S81 (6 entries)
  • Abrasion → S80 (2 entries)
  • Blister (nonthermal) → S80 (2 entries)
  • Constriction → S80 (2 entries)
  • Contusion (skin surface intact) → S80 (2 entries)
  • Crush, crushed, crushing → S87 (2 entries)

+6 more main terms; the search box finds them by word.

Block instructions

Excludes2

  • burns and corrosions (T20-T32) T20 T32
  • frostbite (T33-T34) T33 T34
  • injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99) S90 S99
  • insect bite or sting, venomous (T63.4) T63.4

Notes that also apply

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