S33.100A

S33.100A: Subluxation of unspecified lumbar vertebra, initial encounter

Billable / specific codeICD-10-CM

S33.100A is a billable, specific ICD-10-CM code for subluxation of unspecified lumbar vertebra, initial encounter. It is valid for submission on a claim.

Check S33.100A with the rest of the claim: free scrubber

7th character "A": initial encounter

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

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 inherited from the categories above S33.100A

A category’s note binds every code beneath it.

Written on S33: Dislocation and sprain of joints and ligaments of lumbar spine and pelvis

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

Excludes2 inherited from the categories above S33.100A

Not part of this code, but both may be coded when both are present.

Written on S33.1: Subluxation and dislocation of lumbar vertebra

fracture of lumbar vertebrae (S32.0-)

Written on S33: Dislocation and sprain of joints and ligaments of lumbar spine and pelvis

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

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.