2020 ICD-10-CM Diagnosis Code G65

Sequelae of inflammatory and toxic polyneuropathies

    2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
  • G65 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2020 edition of ICD-10-CM G65 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of G65 - other international versions of ICD-10 G65 may differ.
Code First
Code First Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
  • condition resulting from (sequela) of inflammatory and toxic polyneuropathies
The following code(s) above G65 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to G65:
  • G00-G99
    2020 ICD-10-CM Range G00-G99

    Diseases of the nervous system

    Type 2 Excludes
    • 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)
    Diseases of the nervous system
  • G60-G65
    2020 ICD-10-CM Range G60-G65

    Polyneuropathies and other disorders of the peripheral nervous system

    Type 1 Excludes
    Polyneuropathies and other disorders of the peripheral nervous system
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
ICD-10-CM Codes Adjacent To G65
G62.0 Drug-induced polyneuropathy
G62.1 Alcoholic polyneuropathy
G62.2 Polyneuropathy due to other toxic agents
G62.8 Other specified polyneuropathies
G62.81 Critical illness polyneuropathy
G62.82 Radiation-induced polyneuropathy
G62.89 Other specified polyneuropathies
G62.9 Polyneuropathy, unspecified
G63 Polyneuropathy in diseases classified elsewhere
G64 Other disorders of peripheral nervous system
G65 Sequelae of inflammatory and toxic polyneuropathies
G65.0 Sequelae of Guillain-Barré syndrome
G65.1 Sequelae of other inflammatory polyneuropathy
G65.2 Sequelae of toxic polyneuropathy
G70 Myasthenia gravis and other myoneural disorders
G70.0 Myasthenia gravis
G70.00 …… without (acute) exacerbation
G70.01 …… with (acute) exacerbation
G70.1 Toxic myoneural disorders
G70.2 Congenital and developmental myasthenia
G70.8 Other specified myoneural disorders

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.