S33.1: Subluxation and dislocation of lumbar vertebra
S33.1 is a non-billable header ICD-10-CM code for subluxation and dislocation of lumbar vertebra. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category S33
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Excludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- fracture of lumbar vertebrae (S32.0-)
Code also
Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.
Excludes1 inherited from the categories above S33.1
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above S33.1
Not part of this code, but both may be coded when both are present.
Other codes that can never be billed with S33.1
Their own Excludes1 notes name this code, so the conflict is not listed above.
- M43.1Spondylolisthesis
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.
Code to one of these instead S33.1
5 child codes. Green means billable.
Other codes under S33
- S33.0Traumatic rupture of lumbar intervertebral disc
- S33.2Dislocation of sacroiliac and sacrococcygeal joint
- S33.3Dislocation of other and unspecified parts of lumbar spine and pelvis
- S33.4Traumatic rupture of symphysis pubis
- S33.5Sprain of ligaments of lumbar spine
- S33.6Sprain of sacroiliac joint
- S33.8Sprain of other parts of lumbar spine and pelvis
- S33.9Sprain of unspecified parts of lumbar spine and pelvis