M99.1
M99.1: Subluxation complex (vertebral)
Non-billable headerICD-10-CM
M99.1 is a non-billable header ICD-10-CM code for subluxation complex (vertebral). It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with M99.1
Their own Excludes1 notes name this code, so the conflict is not listed above.
- M43.5Other recurrent vertebral dislocation
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 M99.1
10 child codes. Green means billable.
- M99.10Subluxation complex (vertebral) of head region
- M99.11Subluxation complex (vertebral) of cervical region
- M99.12Subluxation complex (vertebral) of thoracic region
- M99.13Subluxation complex (vertebral) of lumbar region
- M99.14Subluxation complex (vertebral) of sacral region
- M99.15Subluxation complex (vertebral) of pelvic region
- M99.16Subluxation complex (vertebral) of lower extremity
- M99.17Subluxation complex (vertebral) of upper extremity
- M99.18Subluxation complex (vertebral) of rib cage
- M99.19Subluxation complex (vertebral) of abdomen and other regions
Other codes under M99
- M99.0Segmental and somatic dysfunction
- M99.2Subluxation stenosis of neural canal
- M99.3Osseous stenosis of neural canal
- M99.4Connective tissue stenosis of neural canal
- M99.5Intervertebral disc stenosis of neural canal
- M99.6Osseous and subluxation stenosis of intervertebral foramina
- M99.7Connective tissue and disc stenosis of intervertebral foramina
- M99.8Other biomechanical lesions
- M99.9Biomechanical lesion, unspecified