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G30Non-billableSave

G30 - Alzheimer's disease

ICD-10-CM Chapter 6: Diseases of the nervous system · G30-G32 Other degenerative diseases of the nervous system (G30-G32) · Top-level category · FY2027

Coding Guidance

G30 is a non-billable heading. Report one of the 4 more specific codes below.

Includes, Excludes and Coding Notes

IncludesFrom G30

Conditions this code covers.

  • Alzheimer's dementia senile and presenile forms
Excludes 1 — Not Coded HereFrom G30

Mutually exclusive: these conditions are never reported together with this code.

  • senile degeneration of brain NEC (G31.1)
  • senile dementia NOS (F03.-)
  • senility NOS (R41.81)
Use Additional CodeFrom G30

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

  • code, if applicable, to identify:
  • delirium, if applicable (F05)
  • 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)

More Specific Codes (4)

G30.0Alzheimer's disease with early onset→G30.1Alzheimer's disease with late onset→G30.8Other Alzheimer's disease→G30.9Alzheimer's disease, unspecified→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with G30.