2027 ICD-10-CM Diagnosis Code G24.3Spasmodic torticollis
ICD-10-CM Codes›G00–G99›G20-G26›G24
- Billable — Valid for Submission
- Chronic Condition
G24.3 is a billable ICD-10-CM diagnosis code for spasmodic torticollis. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 91 through 93. Coders also document this condition as adult-onset cervical dystonia DYT23 type. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other nervous system disorders (often hereditary or degenerative).
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Adult-onset cervical dystonia DYT23 type
- Isolated cervical dystonia
- Spasmodic retrocollis
- Spasmodic torticollis
- Spasmodic torticollis as late effect of trauma
- Spasmodic torticollis due to infection
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to G24.3: its own notes plus those printed at G24 and Chapter 6. A note printed at a category, block or chapter applies to every code under it.
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Instructional notes printed at other codes that name G24.3, its category, or a range that includes it.
Excludes1 3
These codes carry an Excludes1 note naming G24.3: they are not reported together with it, unless the two conditions are unrelated.
Index to Diseases and InjuriesGuidance
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Spasmodic Torticollis
a rare movement disorder of unknown etiology, characterized by painful, involuntary turns of the head to the right, left, upwards, or downwards.Dystonia
an attitude or posture due to the co-contraction of agonists and antagonist muscles in one region of the body. it most often affects the large axial muscles of the trunk and limb girdles. conditions which feature persistent or recurrent episodes of dystonia as a primary manifestation of disease are referred to as dystonic disorders. (adams et al., principles of neurology, 6th ed, p77)
Patient EducationClinical
Dystonia
Dystonia is a movement disorder that causes involuntary contractions of your muscles. These contractions result in twisting and repetitive movements. Sometimes they are painful.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert G24.3 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About G24.3Overview
What is the ICD-10 code for spasmodic torticollis?
The ICD-10-CM code for spasmodic torticollis is G24.3 (sometimes written as G243). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is G24.3 (Dystonia) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report spasmodic torticollis on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does G24.3 group to?
When spasmodic torticollis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 91, 92, 93, with relative weights from 0.7783 to 1.7050 depending on complications. Higher weights mean higher Medicare reimbursement.
Can G24.3 be reported with Q68.0?
Not as a rule. The Excludes1 note on G24.3 lists "congenital torticollis (Q68.0)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
What is the ICD-9 equivalent of G24.3?
Under the General Equivalence Mappings, spasmodic torticollis converts to ICD-9-CM 333.83 (spasmodic torticollis). The mapping is a direct match.
