M99.1
⚠ Non-billable (Header)Subluxation complex (vertebral)
Diseases of the musculoskeletal system and connective tissue (M00-M99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for M99.1
Child Codes (10)
M99.10Subluxation complex (vertebral) of head regionM99.11Subluxation complex (vertebral) of cervical regionM99.12Subluxation complex (vertebral) of thoracic regionM99.13Subluxation complex (vertebral) of lumbar regionM99.14Subluxation complex (vertebral) of sacral regionM99.15Subluxation complex (vertebral) of pelvic regionM99.16Subluxation complex (vertebral) of lower extremityM99.17Subluxation complex (vertebral) of upper extremityM99.18Subluxation complex (vertebral) of rib cageM99.19Subluxation complex (vertebral) of abdomen and other regions
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CodeM99.1
BillableNo — Header code
ParentM99
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes10
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)