M43.6 Torticollis

Billable ICD-10-CM code, FY2026.

Excludes1 (never code together)

• congenital (sternomastoid) torticollis (Q68.0)
• current injury - see Injury, of spine, by body region
• ocular torticollis (R29.891)
• psychogenic torticollis (F45.8)
• spasmodic torticollis (G24.3)
• torticollis due to birth injury (P15.2)

Applies from M43 Other deforming dorsopathies

Excludes1 (never code together)

• congenital spondylolysis and spondylolisthesis (Q76.2)
• hemivertebra (Q76.3-Q76.4)
• Klippel-Feil syndrome (Q76.1)
• lumbarization and sacralization (Q76.4)
• platyspondylisis (Q76.4)
• spina bifida occulta (Q76.0)
• spinal curvature in osteoporosis (M80.-)
• spinal curvature in Paget's disease of bone [osteitis deformans] (M88.-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 723.5 Torticollis, unspecified

Code annotations containing back-references to M43.6

Back-references to M43.6

• Type 1 Excludes: G24.3 Spasmodic torticollis ("torticollis NOS (M43.6)")
• Type 1 Excludes: R29.891 Ocular torticollis ("torticollis NOS M43.6")

Back-references to M43

• Type 2 Excludes: M95 Other acquired deformities of musculoskeletal system and connective tissue ("deforming dorsopathies (M40-M43)")

Diagnosis Index entries for M43.6

• Disease, diseased › Grisel's
• Grisel's disease
• Nasopharyngeal › torticollis
• Rheumatic (acute) (subacute) › torticollis
• Torticollis (intermittent) (spastic)
• Torticollis (intermittent) (spastic) › rheumatic

Nearby codes

• M43.5X5 Other recurrent vertebral dislocation, thoracolumbar region
• M43.5X6 Other recurrent vertebral dislocation, lumbar region
• M43.5X7 Other recurrent vertebral dislocation, lumbosacral region
• M43.5X8 Other recurrent vertebral dislocation, sacral and sacrococcygeal region
• M43.5X9 Other recurrent vertebral dislocation, site unspecified
• M43.6 Torticollis (this code)
• M43.8 Other specified deforming dorsopathies
• M43.8X Other specified deforming dorsopathies
• M43.8X1 Other specified deforming dorsopathies, occipito-atlanto-axial region
• M43.8X2 Other specified deforming dorsopathies, cervical region
• M43.8X3 Other specified deforming dorsopathies, cervicothoracic region