Is M99.1 a billable code?
No. M99.1 is a header code that groups 10 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
M99.1: Subluxation complex (vertebral)
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
M99.1 groups related diagnoses under subluxation complex (vertebral). It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under M99.1
- 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 in M99 Biomechanical lesions, not elsewhere classified
- M99.0Segmental and somatic dysfunctionheader
- M99.2Subluxation stenosis of neural canalheader
- M99.3Osseous stenosis of neural canalheader
- M99.4Connective tissue stenosis of neural canalheader
- M99.5Intervertebral disc stenosis of neural canalheader
- M99.6Osseous and subluxation stenosis of intervertebral foraminaheader
- M99.7Connective tissue and disc stenosis of intervertebral foraminaheader
- M99.8Other biomechanical lesionsheader
- M99.9Biomechanical lesion, unspecified
M99.1 questions
What does M99.1 mean?
M99.1 is the ICD-10-CM code for Subluxation complex (vertebral). It is in chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.