A81.2

Billable

Progressive multifocal leukoencephalopathy

Status

Billable / Specific

Chapter

1: Certain Infectious and Parasitic Diseases

Block

A80-A89

Parent Code

A81

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

Multifocal leukoencephalopathy NOS

Includes

Conditions included under this code

diseases generally recognized as communicable or transmissible
diseases of the central nervous system caused by prions

Excludes 1

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

certain localized infections - see body system-related chapters
postpolio syndrome (G14)
sequelae of poliomyelitis (B91)
sequelae of viral encephalitis (B94.1)

Excludes 2

Conditions not included here, but the patient may have both

carrier or suspected carrier of infectious disease (Z22.-)
infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
infectious and parasitic diseases specific to the perinatal period (P35-P39)
influenza and other acute respiratory infections (J00-J22)

Use Additional Code

Additional codes that should follow this code

code to identify resistance to antimicrobial drugs (Z16.-)
code, if applicable, to identify:
dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4)
dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-)
dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3)
dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2)
dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0)
mild neurocognitive disorder due to known physiological condition (F06.7-)

Also Known As / Clinical Terms

SNOMED CT

UMLS

Frequently Asked Questions

What is ICD-10 code A81.2?

ICD-10-CM code A81.2 represents "Progressive multifocal leukoencephalopathy". It is a billable/specific code that can be used on a claim.

Is A81.2 a billable code?

Yes, A81.2 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is A81.2 in?

A81.2 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).

What codes cannot be used with A81.2?

A81.2 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; postpolio syndrome (G14); sequelae of poliomyelitis (B91); and 1 more.

Are additional codes required with A81.2?

Yes, when using A81.2 you should also code: code to identify resistance to antimicrobial drugs (Z16.-); code, if applicable, to identify:; dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4); dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-); dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3); dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2); dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0); mild neurocognitive disorder due to known physiological condition (F06.7-).

What SNOMED CT codes does A81.2 map to?

A81.2 maps to 11 SNOMED CT concepts: 420718004, 192819000, 733193001, 713543002, 431257006, and 6 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for A81.2?

A81.2 is linked to 1 UMLS Concept Unique Identifier: C0023524. 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.