M43.6
Torticollis
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 24 never code together
M43code
Excludes1
- congenital spondylolysis and spondylolisthesis (Q76.2)Q76.2
- hemivertebra (Q76.3-Q76.4)Q76.3-Q76.4
- Klippel-Feil syndrome (Q76.1)Q76.1
- lumbarization and sacralization (Q76.4)Q76.4
- platyspondylisis (Q76.4)Q76.4
- spina bifida occulta (Q76.0)Q76.0
- spinal curvature in osteoporosis (M80.-)M80.-
- spinal curvature in Paget's disease of bone [osteitis deformans] (M88.-)M88.-
M43.6code
M00-M99chapter
Excludes2
- arthropathic psoriasis (L40.5-)L40.5-
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- compartment syndrome (traumatic) (T79.A-)T79.A-
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 1
M00-M99chapter
Notes
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Index entries leading here 5
Alongside this code 8 same parent — M43
M43.0 Spondylolysis category M43.1 Spondylolisthesis category M43.2 Fusion of spine category M43.3 Recurrent atlantoaxial dislocation with myelopathy M43.4 Other recurrent atlantoaxial dislocation M43.5 Other recurrent vertebral dislocation category M43.8 Other specified deforming dorsopathies category M43.9 Deforming dorsopathy, unspecified
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.