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G10 - Huntington's disease

ICD-10-CM Chapter 6: Diseases of the nervous system · G10-G14 Systemic atrophies primarily affecting the central nervous system (G10-G14) · Top-level category · FY2027

Applicable To

Inclusion terms listed under G10 in the ICD-10-CM tabular list.

  • Huntington's chorea
  • Huntington's dementia

Includes, Excludes and Coding Notes

Use Additional CodeFrom G10

Add a secondary code to identify the associated condition or cause when it is documented.

  • code, if applicable, to identify:
  • dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4)
  • dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-)
  • dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3)
  • dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2)
  • dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0)
  • mild neurocognitive disorder due to known physiological condition (F06.7-)
Excludes 2 — Not Included HereFrom Chapter G00-G99

Not part of this code; report both codes when the patient has both conditions.

  • 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)

Inpatient DRG Payments

DRG 05727,735 discharges

Degenerative Nervous System Disorders Without Mcc

Avg. Medicare Payment

$11,305

Total Payment$13,911
Patient Responsibility$2,606
Hospital Charge$56,625
DRG 05615,060 discharges

Degenerative Nervous System Disorders With Mcc

Avg. Medicare Payment

$19,195

Total Payment$22,853
Patient Responsibility$3,657
Hospital Charge$96,021

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with G10.