R00-R09

Non-Billable
ChapterR00–R99
Rankblock
Official Description

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

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •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)
  • 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)

Clinical Hierarchy

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)
R00Abnormalities of heart beat
R01Cardiac murmurs and other cardiac sounds
R03Abnormal blood-pressure reading, without diagnosis
R04Hemorrhage from respiratory passages
R05Cough
R06Abnormalities of breathing
R07Pain in throat and chest
R09Other symptoms and signs involving the circulatory and respiratory system

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R00-R09:

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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