- A81.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM A81.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of A81.1 – other international versions of ICD-10 A81.1 may differ.
ICD-10-CM A81.1 is grouped within Diagnostic Related Group(s):
- 056 Degenerative nervous system disorders with mcc
- 057 Degenerative nervous system disorders without mcc
- 791 Prematurity with major problems
- 793 Full term neonate with major problems
Applicable To
- Dawson’s inclusion body encephalitis
- Van Bogaert’s sclerosing leukoencephalopathy
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 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
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to A81.1:
- Bodechtel-Guttmann (subacute sclerosing panencephalitis) > Disease, diseased
- Dawson\’s (inclusion body) > Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
- diffuse sclerosing > Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
- inclusion body > Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
- subacute sclerosing > Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
- van Bogaert\’s > Encephalitis (chronic) (hemorrhagic) (idiopathic) (nonepidemic) (spurious) (subacute) G04.90
- subacute sclerosing > Leukoencephalitis G04.81
- van Bogaert\’s (sclerosing) > Leukoencephalitis G04.81
- van Bogaert\’s (sclerosing) > Leukoencephalopathy G93.49