R01

Non-Billable
ChapterR00–R99
Rankcategory
Official Description

Cardiac murmurs and other 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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