M99.0
Header — not billableSegmental and somatic dysfunction
The ICD-10 code for segmental and somatic dysfunction is M99.0.
M99.0 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 10 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under M99.0
- M99.00Segmental and somatic dysfunction of head region
- M99.01Segmental and somatic dysfunction of cervical region
- M99.02Segmental and somatic dysfunction of thoracic region
- M99.03Segmental and somatic dysfunction of lumbar region
- M99.04Segmental and somatic dysfunction of sacral region
- M99.05Segmental and somatic dysfunction of pelvic region
- M99.06Segmental and somatic dysfunction of lower extremity
- M99.07Segmental and somatic dysfunction of upper extremity
- M99.08Segmental and somatic dysfunction of rib cage
- M99.09Segmental and somatic dysfunction of abdomen and other regions
Related codes in this category
- M99.1Subluxation complex (vertebral)non-billable header
- M99.2Subluxation stenosis of neural canalnon-billable header
- M99.3Osseous stenosis of neural canalnon-billable header
- M99.4Connective tissue stenosis of neural canalnon-billable header
- M99.5Intervertebral disc stenosis of neural canalnon-billable header
- M99.6Osseous and subluxation stenosis of intervertebral foraminanon-billable header
- M99.7Connective tissue and disc stenosis of intervertebral foraminanon-billable header
- M99.8Other biomechanical lesionsnon-billable header
- M99.9Biomechanical lesion, unspecified
- M99.0Segmental and somatic dysfunctionnon-billable header