R01 Cardiac murmurs and other cardiac sounds

Category / Non-billable header 3 subcodes

Block: Symptoms and signs involving the circulatory and respiratory systems (R00-R09)

Excludes 1 (cannot be coded together)

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

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

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

Last reviewed: September 2026