Instruction Source: G31.1
Senile degeneration of brain, not elsewhere classified
Excludes 1 (Mutually Exclusive)
- Alzheimer's disease (G30.-)
- senility NOS (R41.81)
Instruction Source: G31
Other degenerative diseases of nervous system, not elsewhere classified
Excludes 2 (Not Included Here)
Instruction Source: G30-G32
Other degenerative diseases of the nervous system (G30-G32)
Instruction Source: G00-G99
Diseases of the nervous system
Excludes 2 (Not Included Here)
- 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)