Is ICD-10-CM code I00-I02 billable?

No, I00-I02 (Acute rheumatic fever (I00-I02)) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code I00-I02 belong to?

I00-I02 belongs to Chapter 9 of the ICD-10-CM tabular list: I00–I99 (Diseases of the Circulatory System).

I00-I02Not billable, use a more specific code below

Acute rheumatic fever (I00-I02)

chapter 9: Diseases of the Circulatory System

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers hypertension with heart and kidney disease, coronary artery disease with angina, perioperative stroke, cerebrovascular sequelae, and acute myocardial infarction types and timing.

Hypertension (page 50)
Atherosclerotic Coronary Artery Disease and Angina (page 52)
Intraoperative and Postprocedural Cerebrovascular Accident (page 53)
Sequelae of Cerebrovascular Disease (page 53)
Acute myocardial infarction (AMI) (page 54)

Read Section I.C.9 (page 50)

All codes under I00-I02

I00-I02 can't be used on a claim. Pick a billable code below; grey headings group them.

I00-I02 MS-DRGs

This code does not group to an MS-DRG as a principal diagnosis.

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Streptococcal Infections

Strep is short for Streptococcus, a type of bacteria that often lives in your nose and throat. Most strep infections are mild, but some may become serious depending on your overall health.