2023 ICD-10-CM Diagnosis Code G93.39

Other post infection and related fatigue syndromes

    2023 - New Code Billable/Specific Code
  • G93.39 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • ICD-10-CM G93.39 is a new 2023 ICD-10-CM code that became effective on October 1, 2022.
  • This is the American ICD-10-CM version of G93.39 - other international versions of ICD-10 G93.39 may differ.
The following code(s) above G93.39 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 G93.39:
  • G00-G99
    2023 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
  • G93.3
    ICD-10-CM Diagnosis Code G93.3

    Postviral and related fatigue syndromes

      2016 2017 2018 2019 2020 2021 2022 2023 - Converted to Parent Code Non-Billable/Non-Specific Code
    Type 1 Excludes
    • chronic fatigue syndrome NOS (R53.82)
    • neurasthenia (F48.8)
    Use Additional
    • code, if applicable, for post COVID-19 condition, unspecified (U09.9)
    Postviral and related fatigue syndromes
ICD-10-CM G93.39 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 947 Signs and symptoms with mcc
  • 948 Signs and symptoms without mcc
Code History
  • 2023 (effective 10/1/2022): New code
Code annotations containing back-references to G93.39:
  • Type 1 Excludes: R53.82
    ICD-10-CM Diagnosis Code R53.82

    Chronic fatigue, unspecified

      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Type 1 Excludes
    • chronic fatigue syndrome (G93.32)
    • myalgic encephalomyelitis (G93.32)
    • post infection and related fatigue syndromes (G93.39)
    • postviral fatigue syndrome (G93.31)

Diagnosis Index entries containing back-references to G93.39:
  • Akureyri's disease G93.39
  • Disease, diseased - see also Syndrome
    • Iceland G93.39
  • Neuromyasthenia G93.39 (epidemic) (postinfectious)
  • Syndrome - see also Disease
    • postbacterial fatigue G93.39
    • postinfectious fatigue G93.39

ICD-10-CM Codes Adjacent To G93.39
G92.05 …… grade 5
G92.8 Other toxic encephalopathy
G92.9 Unspecified toxic encephalopathy
G93 Other disorders of brain
G93.0 Cerebral cysts
G93.1 Anoxic brain damage, not elsewhere classified
G93.2 Benign intracranial hypertension
G93.3 Postviral and related fatigue syndromes
G93.31 Postviral fatigue syndrome
G93.32 Myalgic encephalomyelitis/chronic fatigue syndrome
G93.39 Other post infection and related fatigue syndromes
G93.4 Other and unspecified encephalopathy
G93.40 Encephalopathy, unspecified
G93.41 Metabolic encephalopathy
G93.49 Other encephalopathy
G93.5 Compression of brain
G93.6 Cerebral edema
G93.7 Reye's syndrome
G93.8 Other specified disorders of brain
G93.81 Temporal sclerosis
G93.82 Brain death

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