Cardiac murmurs and other cardiac sounds (R01) ICD-10-CM
The R01 code range covers cardiac murmurs and other cardiac sounds with 4 ICD-10-CM diagnosis codes. 3 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- cardiac murmurs and sounds originating in the perinatal period P29.8
Codes in the R01 Range 4 codes · 3 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the R01 range.
Heart Murmurs
Heart sounds caused by vibrations resulting from the flow of blood through the heart. Heart murmurs can be examined by HEART AUSCULTATION, and analyzed by their intensity (6 grades), duration, timing (systolic, diastolic, or continuous), location, transmission, and quality (musical, vibratory, blowing, etc).
About the R01 Code Range
Heart murmurs and other heart sounds appear among signs and symptoms involving the circulatory system.
R01.0 identifies benign and innocent heart murmurs. R01.1 identifies an unspecified heart murmur. R01.2 identifies other heart sounds.
Questions About This Page
How many billable codes are in the R01 range?
Of the 4 codes in this range, 3 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the R01 range classify?
The range classifies cardiac murmurs and other cardiac sounds. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
