M43.6

Billable

ChapterM00–M99

Ranksubcategory

Official Description

Torticollis

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

Instructional Notes

Excludes1(Not coded here)

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)

General instructions are available for the parent sections:

View CH13 Notes View M43 Notes

Clinical Hierarchy

CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)

M40-M43Deforming dorsopathies (M40-M43)

M43Other deforming dorsopathies

M43.6Torticollis

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M43.6:

categoryM43

Other deforming dorsopathies

View context instructions

chapterCH13

Diseases of the musculoskeletal system and connective tissue (M00-M99)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to M43.6. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

6 raw paths

Disease, diseased1 unique routes

Grisel's→M43.6

Grisel's disease1 unique routes

Direct index entry→M43.6

Nasopharyngeal1 unique routes

torticollis→M43.6

Rheumatic (acute) (subacute)1 unique routes

torticollis→M43.6

Torticollis (intermittent) (spastic)2 unique routes

Direct index entry→M43.6

rheumatic→M43.6