M43.6
BillableTorticollis
Torticollis
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- •congenital spondylolysis and spondylolisthesisQ76.2
- •hemivertebraQ76.3-Q76.4
- •Klippel-Feil syndromeQ76.1
- •lumbarization and sacralizationQ76.4
- •platyspondylisisQ76.4
- •spina bifida occultaQ76.0
- •spinal curvature in osteoporosisM80
- •spinal curvature in Paget's disease of bone [osteitis deformans]M88
- •congenital (sternomastoid) torticollisQ68.0
- current injury - see Injury, of spine, by body region
- •ocular torticollisR29.891
- •psychogenic torticollisF45.8
- •spasmodic torticollisG24.3
- •torticollis due to birth injuryP15.2
Excludes 2
Conditions not included here, but the patient may have both
- •arthropathic psoriasisL40.5
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •compartment syndrome (traumatic)A-)T79
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Related Codes(8)
M43.0Spondylolysis
M43.1Spondylolisthesis
M43.2Fusion of spine
M43.3Recurrent atlantoaxial dislocation with myelopathy
M43.4Other recurrent atlantoaxial dislocation
M43.5Other recurrent vertebral dislocation
M43.8Other specified deforming dorsopathies
M43.9Deforming dorsopathy, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(80)
SNOMED CT
- Contracture of neck70070008
- Torticollis70070008
- Wry neck70070008
- Acquired deformity of neck72082009
- Atlantoaxial torticollis89902003
- Grisel syndrome89902003
- Grisel's disease89902003
- Grisel's syndrome89902003
- Nasopharyngeal torticollis89902003
- Stiff neck symptom161880003
- Crick in neck161882006
- NS - Neck stiffness161882006
- Neck stiffness161882006
- Stiff neck161882006
- Intermittent torticollis202767003
- Rheumatic torticollis202768008
- Paroxysmal dystonia230310003
- Sandifer syndrome230314007
- Sandifer's syndrome230314007
- Back stiffness249921008
- Stiff back249921008
- AAS-Atlantoaxial subluxation263042007
- Atlantoaxial subluxation263042007
- Subluxation of atlantoaxial joint263042007
- Cervical spine stiff298234007
- Decreased range of cervical spine movement304344002
- Head tilt370532003
- Acute muscle stiffness of neck710134003
- Benign paroxysmal torticollis of infancy719521002
UMLS
- Contracture of neckC0040485
- LoxiaC0040485
- Neck contracturesC0040485
- TORTICOLLISC0040485
- TorticollisC0040485
- Torticollis (disorder)C0040485
- Torticollis, unspecifiedC0040485
- Wry neckC0040485
- WryneckC0040485
- neck contractureC0040485
- retrocollisC0040485
- torticollisC0040485
- torticollis unspecifiedC0040485
- wry neckC0040485
- wryneckC0040485
Clinical Terms
- Grisel's disease
- Torticollis, unspecified
- Head tilt
- Stiff neck symptom
- Stiff neck
- wryneck
- Neck stiffness
- Subluxation of atlantoaxial joint
- Decreased range of cervical spine movement
- NS - Neck stiffness
- Wry neck
- Atlantoaxial torticollis
- Sandifer syndrome
- Rheumatic torticollis
- retrocollis
- neck contracture
- Intermittent torticollis
- Cervical spine stiff
- Grisel syndrome
- Paroxysmal dystonia
- Stiff back
- Crick in neck
- Benign paroxysmal torticollis of infancy
- Loxia
- Neck contractures
- Atlantoaxial subluxation
- Grisel's syndrome
- Contracture of neck
- torticollis unspecified
- Acute muscle stiffness of neck
- Sandifer's syndrome
- Torticollis (disorder)
- AAS-Atlantoaxial subluxation
- Back stiffness
- Acquired deformity of neck
- Nasopharyngeal torticollis
Frequently Asked Questions
What is the ICD-10 code for torticollis?
The ICD-10-CM code for torticollis is M43.6. The full clinical description is "Torticollis". M43.6 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code M43.6 mean?
ICD-10-CM code M43.6 represents “Torticollis”. It is classified under Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue and is a billable/specific code that can be used on a claim.
Is M43.6 a billable code?
Yes, M43.6 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is M43.6 in?
M43.6 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (codes M00-M99).
What codes cannot be used with M43.6?
M43.6 has Excludes1 notes indicating codes that cannot be used together with it, including: congenital spondylolysis and spondylolisthesis (Q76.2); hemivertebra (Q76.3-Q76.4); Klippel-Feil syndrome (Q76.1); and 11 more.
What SNOMED CT codes does M43.6 map to?
M43.6 maps to 16 SNOMED CT concepts: 263042007, 72082009, 710134003, 89902003, 249921008, and 11 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for M43.6?
M43.6 is linked to 1 UMLS Concept Unique Identifier: C0040485. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does M43.6 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like torticollis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of M43.6?
M43.6 maps to the ICD-11 code: FA71 (Torticollis).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.