DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

G24 Dystonia

  • Header · not billable

G24 is not billable. The category heads 10 billable codes in FY2027, grouped under 8 subdivisions.

Index → code

Where it sits

  1. Chapter 6 Diseases of the nervous system (G00-G99)
  2. G20-G26 Extrapyramidal and movement disorders (G20-G26)
  3. G24 Dystonia
Billable codes
10
Subdivisions
8
CC / MCC codes
4 / 0
HCC V28 codes
0
New FY2027
0
Index entries
39

Codes in G24

  1. G24.0
    Drug induced dystonia
    Header
    Use additional code 1

    Use additional code

    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) T36 T50
  2. G24.01
    Drug induced subacute dyskinesia
    Billable
    Inclusion terms 4

    Inclusion terms

    • Drug induced blepharospasm
    • Drug induced orofacial dyskinesia
    • Neuroleptic induced tardive dyskinesia
    • Tardive dyskinesia
  3. G24.02
    Drug induced acute dystonia
    BillableCC
    Inclusion terms 2

    Inclusion terms

    • Acute dystonic reaction to drugs
    • Neuroleptic induced acute dystonia
  4. G24.09
    Other drug induced dystonia
    BillableCC
  5. G24.1
    Genetic torsion dystonia
    Billable
    Inclusion terms 6

    Inclusion terms

    • Dystonia deformans progressiva
    • Dystonia musculorum deformans
    • Familial torsion dystonia
    • Idiopathic familial dystonia
    • Idiopathic (torsion) dystonia NOS
    • (Schwalbe-) Ziehen-Oppenheim disease
  6. G24.2
    Idiopathic nonfamilial dystonia
    BillableCC
  7. G24.3
    Spasmodic torticollis
    Billable
    Excludes1 6

    Excludes1

    • congenital torticollis (Q68.0) Q68.0
    • hysterical torticollis (F44.4) F44.4
    • ocular torticollis (R29.891) R29.891
    • psychogenic torticollis (F45.8) F45.8
    • torticollis NOS (M43.6) M43.6
    • traumatic recurrent torticollis (S13.4) S13.4
  8. G24.4
    Idiopathic orofacial dystonia
    Billable
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Orofacial dyskinesia

    Excludes1

    • drug induced orofacial dyskinesia (G24.01) G24.01
  9. G24.5
    Blepharospasm
    Billable
    Excludes1 1

    Excludes1

    • drug induced blepharospasm (G24.01) G24.01
  10. G24.8
    Other dystonia
    BillableCC
    Inclusion terms 1

    Inclusion terms

    • Acquired torsion dystonia NOS
  11. G24.9
    Dystonia, unspecified
    Billable
    Inclusion terms 1

    Inclusion terms

    • Dyskinesia NOS

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At G24

Includes

  • dyskinesia

Excludes2

  • athetoid cerebral palsy (G80.3) G80.3

Notes that also apply

Chapter 6 instructions (Excludes2 8): printed on the chapter 6 page.

Index entries

  • Schwalbe-Ziehen-Oppenheim disease → G24.1
  • Tortipelvis → G24.1
  • Ziehen-Oppenheim disease → G24.1
  • Blepharospasm → G24.5
  • Dyskinesia → G24.9
  • Dystonia → G24.9
  • Blepharospasmdrug induced → G24.01
  • Dyskinesiasubacute, drug induced → G24.01
  • Dyskinesiatardive → G24.01
  • Dystonianeuroleptic induced (acute) → G24.02
  • Dystoniadrug induced NEC → G24.09
  • Disease, diseasedSchwalbe-Ziehen-Oppenheim → G24.1
  • Dysbasialordotica (progressiva) → G24.1
  • Dystoniadeformans progressiva → G24.1
  • Dystoniafamilial → G24.1
  • Dystoniaidiopathic → G24.1
  • Dystoniamusculorum deformans → G24.1
  • Dystoniatorsion (familial) (idiopathic) → G24.1
  • Spasm(s), spastic, spasticitytorsion (progressive) → G24.1
  • Dystoniacervical → G24.3
  • Torticollis (intermittent) (spastic)spasmodic → G24.3
  • Dyskinesiaorofacial (idiopathic) → G24.4
  • Dystoniaorofacial (idiopathic) → G24.4
  • Dystoniaoromandibular → G24.4
  • SyndromeMeige → G24.4
  • Dystonialenticularis → G24.8
  • Dystoniaspecified NEC → G24.8
  • Dyskinesiadrug inducedorofacial → G24.01
  • Dyskinesiaorofacial (idiopathic)drug induced → G24.01
  • Dyskinesiatardiveneuroleptic induced → G24.01
  • Dystoniaoromandibulardue to drug → G24.01
  • Dystoniadrug induced NECacute → G24.02
  • Dystoniadrug induced NECspecified NEC → G24.09
  • Dystoniaidiopathicfamilial → G24.1
  • Dystoniatorsion (familial) (idiopathic)genetic → G24.1
  • Dystoniaidiopathicnonfamilial → G24.2
  • Dystoniatorsion (familial) (idiopathic)symptomatic (nonfamilial) → G24.2
  • Dystoniaidiopathicorofacial → G24.4
  • Dystoniatorsion (familial) (idiopathic)acquired → G24.8

NCHS Alphabetic Index. Index first, then the Tabular List.

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