G65
Sequelae of inflammatory and toxic polyneuropathies
G65 is a non-billable ICD-10-CM code category for sequelae of inflammatory and toxic polyneuropathies. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are G65.0 Sequelae of Guillain-Barré syndrome, G65.1 Sequelae of other inflammatory polyneuropathy and G65.2 Sequelae of toxic polyneuropathy. Its coding notes include a Code first instruction, 4 Excludes1 entries and 8 Excludes2 entries.
Code first
If the underlying condition listed here is present and known, sequence it first.
- condition resulting from (sequela) of inflammatory and toxic polyneuropathies
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
- 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)