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ICD-10-CM Codes G00-G99 G30-G32 G31 G31.1
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ICD-10-CM Diagnosis Code G31.1

Effective Date: 10/01/2015 To 09/30/2025

Senile degeneration of brain, not elsewhere classified

CMS-HCC-V24 CMS-HCC-V28 RxHCC Age Gender Maternity Acute or Chronic MCC
52 -- 112 -- -- -- Chronic No
Excludes-1 for G31.1:

  • Alzheimer's disease (G30.-)

  • senility NOS (R41.81)

Back-references to G31.1
  • Atrophy, atrophic(of)
    • brain(cortex) (progressive) G31.9
      • senile NEC G31.1
    • Degeneration, degenerative
      • brain(cortical) (progressive) G31.9
        • senile NEC G31.1
        • motor centers, senile G31.1
          • senile R54
            • brain G31.1
              • motor centers G31.1
            • Disease, diseased see also Syndrome
              • brain G93.9
                • senile NEC G31.1
                • Related Medications for G31.1

                • nimodipine

                Chapter, Section and Diagnosis Prefix for G31.1
                  G00-G99 :

                  Diseases of the nervous system

                  G30-G32 :

                  Other degenerative diseases of the nervous system

                  G31 :

                  Other degenerative diseases of nervous system, not elsewhere classified