G04.02

Billable

Postimmun ac dissem encphlts, myelitis and encephalomyelitis

Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis

Status

Billable / Specific

Block

G00-G09

Parent Code

G04.0

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Encephalitis, post immunization
  • Encephalomyelitis, post immunization

Includes

Conditions included under this code

  • acute ascending myelitis
  • meningoencephalitis
  • meningomyelitis

Excludes 1

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

  • encephalopathy NOS (G93.40)
  • acute necrotizing hemorrhagic encephalopathy (G04.3-)
  • other noninfectious acute disseminated encephalomyelitis (noninfectious ADEM) (G04.81)

Excludes 2

Conditions not included here, but the patient may have both

  • 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)
  • acute transverse myelitis (G37.3)
  • alcoholic encephalopathy (G31.2)
  • multiple sclerosis (G35)
  • myalgic encephalomyelitis (G93.32)
  • subacute necrotizing myelitis (G37.4)
  • toxic encephalitis (G92.8)
  • toxic encephalopathy (G92.8)

Use Additional Code

Additional codes that should follow this code

Also Known As / Clinical Terms

SNOMED CT

Frequently Asked Questions

What is the ICD-10 code for postimmun ac dissem encphlts, myelitis and encephalomyelitis?

The ICD-10-CM code for postimmun ac dissem encphlts, myelitis and encephalomyelitis is G04.02. The full clinical description is "Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis". G04.02 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code G04.02 mean?

ICD-10-CM code G04.02 represents "Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis". 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 G04.02 a billable code?

Yes, G04.02 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is G04.02 in?

G04.02 is in Chapter 6: Diseases of the Nervous System (codes G00-G99).

What codes cannot be used with G04.02?

G04.02 has Excludes1 notes indicating codes that cannot be used together with it, including: encephalopathy NOS (G93.40); acute necrotizing hemorrhagic encephalopathy (G04.3-); other noninfectious acute disseminated encephalomyelitis (noninfectious ADEM) (G04.81).

Are additional codes required with G04.02?

Yes, when using G04.02 you should also code: code to identify the vaccine (T50.A-, T50.B-, T50.Z-).

What SNOMED CT codes does G04.02 map to?

G04.02 maps to 36 SNOMED CT concepts: 219076007, 219082005, 219094001, 293115003, 293126009, and 31 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for G04.02?

G04.02 is linked to 3 UMLS Concept Unique Identifiers: C0751101, C0729577, C3263957. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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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.