MedCodeSearch
ICD-10-CM Current in FY 2027

I40.8

Other acute myocarditis

Release
FY 2027
Effective
Official source (opens in a new tab)

Hierarchy

Where I40.8 sits in the official hierarchy. Each level is the code it is classified under.

  1. I40 Parent Acute myocarditis
  2. I40.8 This code Other acute myocarditis

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Includes

subacute myocarditis

Inherited from I40 — Acute myocarditis

Excludes1

acute rheumatic myocarditis ( I01.2 )

Inherited from I40 — Acute myocarditis

Version History

How I40.8 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Other acute myocarditis

  2. FY 2026 Effective

    Unchanged

    Other acute myocarditis

Related Codes

Other codes under I40

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

MedCodeSearch is an independent reference service and is not affiliated with CMS, CDC, or the U.S. government.

Look up another code

Search ICD-10-CM, ICD-10-PCS and HCPCS Level II by code or description.