Is ICD-10-CM code R01 billable?

No, R01 (Cardiac murmurs and other cardiac sounds) 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 R01 belong to?

R01 belongs to Chapter 18 of the ICD-10-CM tabular list: R00–R99 (Symptoms, Signs and Abnormal Clinical and Laboratory Findings).

R01

Non-Billable

ChapterR00–R99

Rankcategory

Description

Cardiac murmurs and other cardiac sounds

About ICD-10-CM code R01

The ICD-10-CM tabular list places Cardiac murmurs and other cardiac sounds at code R01, inside R00-R99 Symptoms, Signs and Abnormal Clinical and Laboratory Findings, within Symptoms and signs involving the circulatory and respiratory systems (R00-R09). You should not submit this code on claims since it lacks billing specificity, use a child code.

Use a more specific code (3 billable)

R01.0Benign and innocent cardiac murmurs R01.1Cardiac murmur, unspecified R01.2Other cardiac sounds

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

CH18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

abnormal findings on antenatal screening of mother (O28.-)
certain conditions originating in the perinatal period (P04-P96)
signs and symptoms classified in the body system chapters
signs and symptoms of breast (N63, N64.5)

Instructional Notes

Excludes1(Not coded here. Use a different code.)

cardiac murmurs and sounds originating in the perinatal period (P29.8)

Clinical Hierarchy

BillableHas subcodes

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

R00-R09Symptoms and signs involving the circulatory and respiratory systems (R00-R09)

R01Cardiac murmurs and other cardiac soundsNot billable

R01.0Benign and innocent cardiac murmursBillable

R01.1Cardiac murmur, unspecifiedBillable

R01.2Other cardiac soundsBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R01:

chapterCH18

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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