G10

Huntington's disease

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 8 never code together

Excludes2

certain conditions originating in the perinatal period (P04-P96)P04-P96
certain infectious and parasitic diseases (A00-B99)A00-B99
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

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 9

G10code

Inclusion terms

Use additional code

code, if applicable, to identify:
dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4)F02.84 F02.84 F02.84 F02.A4 F02.A4 F02.A4 F02.B4 F02.B4 F02.B4 F02.C4 F02.C4 F02.C4
dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-)F02.81-F02.81-F02.81-F02.A1-F02.A1-F02.A1-F02.B1-F02.B1-F02.B1-F02.C1-F02.C1-F02.C1-
dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3)F02.83 F02.83 F02.83 F02.A3 F02.A3 F02.A3 F02.B3 F02.B3 F02.B3 F02.C3 F02.C3 F02.C3
dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2)F02.82 F02.82 F02.82 F02.A2 F02.A2 F02.A2 F02.B2 F02.B2 F02.B2 F02.C2 F02.C2 F02.C2
dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0)F02.80 F02.80 F02.80 F02.A0 F02.A0 F02.A0 F02.B0 F02.B0 F02.B0 F02.C0 F02.C0 F02.C0
mild neurocognitive disorder due to known physiological condition (F06.7-)F06.7-F06.7-F06.7-

Index entries leading here 4

Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic) G25.5
- hereditary G10
- Huntington's G10
- progressive G25.5
  - hereditary G10
Dementia (degenerative (primary)) (persisting) (unspecified severity) (without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety) F03.90
- in (due to)
  - Huntington's disease or chorea G10
    - with behavioral disturbance G10
Disease, diseased — see also Syndrome
- Huntington's G10
  - with dementia G10
Huntington's disease or chorea G10
- with dementia G10
  - with behavioral disturbance G10

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

CMS22HCC78 CMS28HCC200 ESRD21HCC78 ESRD24HCC78 RX08HCC160

Presence is a property of the code. Untick a model to hide it everywhere.

Present FY2024–FY2027.