NPI Atlas

R01 – Cardiac murmurs and other cardiac sounds

ICD-10-CM 2027 diagnosis code · Symptoms and signs involving the circulatory and respiratory systems

Non-billable header

ICD-10-CM code R01

Code: R01 (claims format: R01)
Description: Cardiac murmurs and other cardiac sounds
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block: R00-R09 Symptoms and signs involving the circulatory and respiratory systems

Billable codes under R01

R01 is a header code and cannot be used on claims. Choose the most specific code:

R01.0 – Benign and innocent cardiac murmursBillable
R01.1 – Cardiac murmur, unspecifiedBillable
R01.2 – Other cardiac soundsBillable

Notes for R01

Excludes1 (not coded here):

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

Frequently asked questions

What is ICD-10 code R01?

R01 is the ICD-10-CM code for cardiac murmurs and other cardiac sounds, in the block R00-R09 (Symptoms and signs involving the circulatory and respiratory systems).

Is R01 a billable code?

No. R01 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.