ICD-10-CM 2027
ICD-10 code for Grisel's disease
From the official ICD-10-CM alphabetic index entry “Disease, diseased › Grisel's”. Page updated September 29, 2026.
About coding Grisel's disease
The ICD-10-CM code for Grisel's disease is M43.6 (Torticollis).
Within M43 (other deforming dorsopathies), M43.6 is specifically for torticollis. Related codes cover Spondylolysis (M43.0), spondylolisthesis (M43.1), fusion of spine (M43.2), recurrent atlantoaxial dislocation with myelopathy (M43.3), other recurrent atlantoaxial dislocation (M43.4), other recurrent vertebral dislocation (M43.5), other specified deforming dorsopathies (M43.8) and deforming dorsopathy, unspecified (M43.9).
Don't report M43.6 together with the conditions in its Excludes1 note: congenital (sternomastoid) torticollis (Q68.0), current injury - see Injury, of spine, by body region, ocular torticollis (R29.891), psychogenic torticollis (F45.8) and 2 more.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Don't confuse with (Excludes1 for M43.6)
Common questions about Grisel's disease ICD-10 codes
What is the ICD-10 code for Grisel's disease?
- M43.6 — Torticollis.
Is M43.6 billable?
- Yes. M43.6 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can M43.6 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict M43.6 as a principal diagnosis.
Is M43.6 a CC or MCC?
- No. M43.6 is neither a CC nor an MCC under MS-DRG v44.0.