Includes:

  • injuries to the abdominal wall
  • injuries to the anus
  • injuries to the buttock
  • injuries to the external genitalia
  • injuries to the flank
  • injuries to the groin

Excludes2

  • burns and corrosions (T20-T32)
  • effects of foreign body in anus and rectum (T18.5)
  • effects of foreign body in genitourinary tract (T19.-)
  • effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)
  • frostbite (T33-T34)
  • insect bite or sting, venomous (T63.4)
  1. S33 Dislocation and sprain of joints and ligaments of lumbar spine and pelvis

    Includes:

    • avulsion of joint or ligament of lumbar spine and pelvis
    • laceration of cartilage, joint or ligament of lumbar spine and pelvis
    • sprain of cartilage, joint or ligament of lumbar spine and pelvis
    • traumatic hemarthrosis of joint or ligament of lumbar spine and pelvis
    • traumatic rupture of joint or ligament of lumbar spine and pelvis
    • traumatic subluxation of joint or ligament of lumbar spine and pelvis
    • traumatic tear of joint or ligament of lumbar spine and pelvis

    Excludes1

    • nontraumatic rupture or displacement of lumbar intervertebral disc NOS (M51.-)
    • obstetric damage to pelvic joints and ligaments (O71.6)

    Excludes2

    • dislocation and sprain of joints and ligaments of hip (S73.-)
    • strain of muscle of lower back and pelvis (S39.01-)

    The appropriate 7th character is to be added to each code from category S33

    • A - initial encounter
    • D - subsequent encounter
    • S - sequela
    1. S33.0 Traumatic rupture of lumbar intervertebral disc

    2. S33.1 Subluxation and dislocation of lumbar vertebra

      1. S33.10 Subluxation and dislocation of unspecified lumbar vertebra

        • S33.100 Subluxation of unspecified lumbar vertebra
        • S33.101 Dislocation of unspecified lumbar vertebra
      2. S33.11 Subluxation and dislocation of L1/L2 lumbar vertebra

        • S33.110 Subluxation of L1/L2 lumbar vertebra
        • S33.111 Dislocation of L1/L2 lumbar vertebra
      3. S33.12 Subluxation and dislocation of L2/L3 lumbar vertebra

        • S33.120 Subluxation of L2/L3 lumbar vertebra
        • S33.121 Dislocation of L2/L3 lumbar vertebra
      4. S33.13 Subluxation and dislocation of L3/L4 lumbar vertebra

        • S33.130 Subluxation of L3/L4 lumbar vertebra
        • S33.131 Dislocation of L3/L4 lumbar vertebra
      5. S33.14 Subluxation and dislocation of L4/L5 lumbar vertebra

        • S33.140 Subluxation of L4/L5 lumbar vertebra
        • S33.141 Dislocation of L4/L5 lumbar vertebra
    3. S33.2 Dislocation of sacroiliac and sacrococcygeal joint

    4. S33.3 Dislocation of other and unspecified parts of lumbar spine and pelvis

      1. S33.30 Dislocation of unspecified parts of lumbar spine and pelvis

      2. S33.39 Dislocation of other parts of lumbar spine and pelvis

    5. S33.4 Traumatic rupture of symphysis pubis

    6. S33.5 Sprain of ligaments of lumbar spine

    7. S33.6 Sprain of sacroiliac joint

    8. S33.8 Sprain of other parts of lumbar spine and pelvis

    9. S33.9 Sprain of unspecified parts of lumbar spine and pelvis

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.