M99.10 Subluxation complex (vertebral) of head region

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from M99 Biomechanical lesions, not elsewhere classified

Notes

• This category should not be used if the condition can be classified elsewhere.

MS-DRG index

Defines the logic of DRG(s) 551-552 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 839.00 Closed dislocation, cervical vertebra, unspecified (approximate)

Code annotations containing back-references to M99.10

Back-references to M99

• Type 1 Excludes: M43.5 Other recurrent vertebral dislocation ("biomechanical lesions NEC (M99.-)")

Diagnosis Index entries for M99.10

• Complex › subluxation (vertebral) › head region
• Complex › subluxation (vertebral) › occipitocervical

Nearby codes

• M99.06 Segmental and somatic dysfunction of lower extremity
• M99.07 Segmental and somatic dysfunction of upper extremity
• M99.08 Segmental and somatic dysfunction of rib cage
• M99.09 Segmental and somatic dysfunction of abdomen and other regions
• M99.1 Subluxation complex (vertebral)
• M99.10 Subluxation complex (vertebral) of head region (this code)
• M99.11 Subluxation complex (vertebral) of cervical region
• M99.12 Subluxation complex (vertebral) of thoracic region
• M99.13 Subluxation complex (vertebral) of lumbar region
• M99.14 Subluxation complex (vertebral) of sacral region
• M99.15 Subluxation complex (vertebral) of pelvic region