Chapter 19

S00–T88: Injury, Poisoning and Certain Other Consequences of External Causes

Injury, Poisoning and Certain Other Consequences of External Causes diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)
Internal Codes
  • S33.0XXD

    Traumatic rupture of lumbar intervertebral disc, subsequent encounter

  • S33.0XXS

    Traumatic rupture of lumbar intervertebral disc, sequela

  • S33.1

    Subluxation and dislocation of lumbar vertebra

  • S33.10

    Subluxation and dislocation of unspecified lumbar vertebra

  • S33.100

    Subluxation of unspecified lumbar vertebra

  • S33.100A

    Subluxation of unspecified lumbar vertebra, initial encounter

  • S33.100D

    Subluxation of unspecified lumbar vertebra, subsequent encounter

  • S33.100S

    Subluxation of unspecified lumbar vertebra, sequela

  • S33.101

    Dislocation of unspecified lumbar vertebra

  • S33.101A

    Dislocation of unspecified lumbar vertebra, initial encounter

  • S33.101D

    Dislocation of unspecified lumbar vertebra, subsequent encounter

  • S33.101S

    Dislocation of unspecified lumbar vertebra, sequela

  • S33.11

    Subluxation and dislocation of L1/L2 lumbar vertebra

  • S33.110

    Subluxation of L1/L2 lumbar vertebra

  • S33.110A

    Subluxation of L1/L2 lumbar vertebra, initial encounter

  • S33.110D

    Subluxation of L1/L2 lumbar vertebra, subsequent encounter

  • S33.110S

    Subluxation of L1/L2 lumbar vertebra, sequela

  • S33.111

    Dislocation of L1/L2 lumbar vertebra

  • S33.111A

    Dislocation of L1/L2 lumbar vertebra, initial encounter

  • S33.111D

    Dislocation of L1/L2 lumbar vertebra, subsequent encounter

  • S33.111S

    Dislocation of L1/L2 lumbar vertebra, sequela

  • S33.12

    Subluxation and dislocation of L2/L3 lumbar vertebra

  • S33.120

    Subluxation of L2/L3 lumbar vertebra

  • S33.120A

    Subluxation of L2/L3 lumbar vertebra, initial encounter

  • S33.120D

    Subluxation of L2/L3 lumbar vertebra, subsequent encounter

  • S33.120S

    Subluxation of L2/L3 lumbar vertebra, sequela

  • S33.121

    Dislocation of L2/L3 lumbar vertebra

  • S33.121A

    Dislocation of L2/L3 lumbar vertebra, initial encounter

  • S33.121D

    Dislocation of L2/L3 lumbar vertebra, subsequent encounter

  • S33.121S

    Dislocation of L2/L3 lumbar vertebra, sequela

  • S33.13

    Subluxation and dislocation of L3/L4 lumbar vertebra

  • S33.130

    Subluxation of L3/L4 lumbar vertebra

  • S33.130A

    Subluxation of L3/L4 lumbar vertebra, initial encounter

  • S33.130D

    Subluxation of L3/L4 lumbar vertebra, subsequent encounter

  • S33.130S

    Subluxation of L3/L4 lumbar vertebra, sequela

  • S33.131

    Dislocation of L3/L4 lumbar vertebra

  • S33.131A

    Dislocation of L3/L4 lumbar vertebra, initial encounter

  • S33.131D

    Dislocation of L3/L4 lumbar vertebra, subsequent encounter

  • S33.131S

    Dislocation of L3/L4 lumbar vertebra, sequela

  • S33.14

    Subluxation and dislocation of L4/L5 lumbar vertebra

  • S33.140

    Subluxation of L4/L5 lumbar vertebra

  • S33.140A

    Subluxation of L4/L5 lumbar vertebra, initial encounter

  • S33.140D

    Subluxation of L4/L5 lumbar vertebra, subsequent encounter

  • S33.140S

    Subluxation of L4/L5 lumbar vertebra, sequela

  • S33.141

    Dislocation of L4/L5 lumbar vertebra

  • S33.141A

    Dislocation of L4/L5 lumbar vertebra, initial encounter

  • S33.141D

    Dislocation of L4/L5 lumbar vertebra, subsequent encounter

  • S33.141S

    Dislocation of L4/L5 lumbar vertebra, sequela

  • S33.2

    Dislocation of sacroiliac and sacrococcygeal joint

  • S33.2XXA

    Dislocation of sacroiliac and sacrococcygeal joint, initial encounter

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