AutoICD API

G93.31

Billable

Postviral fatigue syndrome

Postviral fatigue syndrome

Status

Billable / Specific

Block

G89-G99

Parent Code

G93.3

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Excludes 2

Conditions not included here, but the patient may have both

Use Additional Code

Additional codes that should follow this code

Related Codes(2)
G93.32

Myalgic encephalomyelitis/chronic fatigue syndrome

BillableG93.39

Other post infection and related fatigue syndromes

Billable
Also Known As / Clinical Terms(108)

SNOMED CT

UMLS

Clinical Terms

  • Chronic Fatigue-Fibromyalgia Syndrome
  • Infectious Mononucleosis Like Syndrome, Chronic
  • ROYAL FREE DIS
  • ME/CFS
  • Systemic Exertion Intolerance Disease
  • Syndrome, Postviral Fatigue
  • ENCEPH MYALGIC
  • Chronic Fatigue and Immune Dysfunction Syndrome
  • Infectious Mononucleosis-Like Syndrome, Chronic
  • yuppie flu
  • Encephalomyelitis, Myalgic
  • Myalgic encephalomyelitis
  • CFIDS
  • Chronic Fatigue Disorders
  • Postviral fatigue syndrome (disorder)
  • CFS - Chronic fatigue syndrome
  • Fatigue-Fibromyalgia Syndromes, Chronic
  • Iceland disease
  • Royal Free Disease
  • ME - Myalgic encephalomyelitis
  • post-viral fatigue syndrome
  • CHRONIC FATIGUE DIS
  • Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
  • Postviral infection debility
  • Chronic Fatigue-Fibromyalgia Syndromes
  • MYALGIC ENCEPH
  • Chronic Fatigue Syndromes
  • Fatigue Disorder, Chronic
  • Chronic fatigue, unspecified
  • chronic fatigue syndrome (CFS)
  • Benign myalgic encephalomyelitis
  • Myalgic encephalomyelitis syndrome
  • Chronic fatigue syndrome (disorder)
  • Fatigue Syndrome, Postviral
  • Fatigue Syndromes, Chronic
  • Fatigue Syndrome, Chronic
  • Chronic Fatigue Fibromyalgia Syndrome
  • Chronic Fatigue Syndrome
  • Post viral fatigue syndrome
  • INFECT MONONUCLEOSIS LIKE SYNDROME CHRONIC
  • Chronic Fatigue Disorder
  • SEID
  • Postviral Fatigue Syndromes
  • encephalomyelitis myalgic
  • Fatigue-Fibromyalgia Syndrome, Chronic
  • ME/CFS - myalgic encephalomyelitis/chronic fatigue syndrome
  • CFS
  • Postviral excessive daytime sleepiness
Frequently Asked Questions
What is the ICD-10 code for postviral fatigue syndrome?

The ICD-10-CM code for postviral fatigue syndrome is G93.31. The full clinical description is "Postviral fatigue syndrome". G93.31 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code G93.31 mean?

ICD-10-CM code G93.31 represents “Postviral fatigue syndrome”. It is classified under Chapter 6: Diseases of the Nervous System and is a billable/specific code that can be used on a claim.

Is G93.31 a billable code?

Yes, G93.31 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is G93.31 in?

G93.31 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).

What codes cannot be used with G93.31?

G93.31 has Excludes1 notes indicating codes that cannot be used together with it, including: chronic fatigue NOS (R53.82); neurasthenia (F48.8).

Are additional codes required with G93.31?

Yes, when using G93.31, also report: code, if applicable, for post COVID-19 condition, unspecified (U09.9).

What SNOMED CT codes does G93.31 map to?

G93.31 maps to 3 SNOMED CT concepts: 230491004, 51771007, 266226000. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for G93.31?

G93.31 is linked to 1 UMLS Concept Unique Identifier: C0015674. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does G93.31 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like postviral fatigue syndrome affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of G93.31?

There is no direct ICD-11 mapping available for G93.31 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.