20162017201820192020202120222023Billable/Specific Code
- I33.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM I33.9 became effective on October 1, 2022.
- This is the American ICD-10-CM version of I33.9 – other international versions of ICD-10 I33.9 may differ.
ICD-10-CM I33.9 is grouped within Diagnostic Related Group(s):
- 288 Acute and subacute endocarditis with mcc
- 289 Acute and subacute endocarditis with cc
- 290 Acute and subacute endocarditis without cc/mcc
- 791 Prematurity with major problems
- 793 Full term neonate with major problems
- 974 Hiv with major related condition with mcc
- 975 Hiv with major related condition with cc
- 976 Hiv with major related condition without cc/mcc
Applicable To
- Acute endocarditis NOS
- Acute myoendocarditis NOS
- Acute periendocarditis NOS
- Subacute endocarditis NOS
- Subacute myoendocarditis NOS
- Subacute periendocarditis NOS
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
- 2023 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to I33.9:
- acute or subacute > Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular) I38
- acute or subacute > aortic (heart) (nonrheumatic) (valve) I35.8
- acute or subacute > nonrheumatic I34.89
- acute or subacute > pulmonary (chronic) (heart) (valve) I37.8
- toxic > Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular) I38
- acute or subacute > nonrheumatic I36.8
