Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)
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

codeAlso
any associated open wound

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-)

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

sevenChrDef
A: initial encounter
D: subsequent encounter
S: sequela
S33.0: Traumatic rupture of lumbar intervertebral disc
S33.1: Subluxation and dislocation of lumbar vertebra
S33.2: Dislocation of sacroiliac and sacrococcygeal joint
S33.3: Dislocation of other and unspecified parts of lumbar spine and pelvis
S33.4: Traumatic rupture of symphysis pubis
S33.5: Sprain of ligaments of lumbar spine
S33.6: Sprain of sacroiliac joint
S33.8: Sprain of other parts of lumbar spine and pelvis
S33.9: Sprain of unspecified parts of lumbar spine and pelvis

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