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

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers when to report symptom, sign, and abnormal finding codes (R00-R99), plus specific rules for falls, coma scales, non-infectious SIRS, death NOS, and NIHSS scores.

• Use of symptom codes (page 75)
• Use of a symptom code with a definitive diagnosis code (page 75)
• Combination codes that include symptoms (page 75)
• Repeated falls (page 76)
• Coma (page 76)
• Functional quadriplegia (page 76)
• SIRS due to Non-Infectious Process (page 77)
• Death NOS (page 77)

Read Section I.C.18 (page 75), 1 more topics

All codes under R00-R09

R00-R09 can't be used on a claim. Pick a billable code below; grey headings group them.

• R00Abnormalities of heart beat
• R00.0Tachycardia, unspecified
• R00.1Bradycardia, unspecified
• R00.2Palpitations
• R00.8Other abnormalities of heart beat
• R00.9Unspecified abnormalities of heart beat
• R01Cardiac murmurs and other cardiac sounds
• R01.0Benign and innocent cardiac murmurs
• R01.1Cardiac murmur, unspecified
• R01.2Other cardiac sounds
• R03Abnormal blood-pressure reading, without diagnosis
• R03.0Elevated blood-pressure reading, without diagnosis of hypertension
• R03.1Nonspecific low blood-pressure reading
• R04Hemorrhage from respiratory passages
• R04.0Epistaxis
• R04.1Hemorrhage from throat
• R04.2Hemoptysis
• R04.8Hemorrhage from other sites in respiratory passages
• R04.81Acute idiopathic pulmonary hemorrhage in infants
• R04.89Hemorrhage from other sites in respiratory passages
• R04.9Hemorrhage from respiratory passages, unspecified
• R05Cough
• R05.1Acute cough
• R05.2Subacute cough
• R05.3Chronic cough
• R05.4Cough syncope
• R05.8Other specified cough
• R05.9Cough, unspecified
• R06Abnormalities of breathing
• R06.0Dyspnea
• R06.00Dyspnea, unspecified
• R06.01Orthopnea
• R06.02Shortness of breath
• R06.03Acute respiratory distress
• R06.09Other forms of dyspnea
• R06.1Stridor
• R06.2Wheezing
• R06.3Periodic breathing
• R06.4Hyperventilation
• R06.5Mouth breathing
• R06.6Hiccough
• R06.7Sneezing
• R06.8Other abnormalities of breathing
• R06.81Apnea, not elsewhere classified
• R06.82Tachypnea, not elsewhere classified
• R06.83Snoring
• R06.89Other abnormalities of breathing
• R06.9Unspecified abnormalities of breathing
• R07Pain in throat and chest
• R07.0Pain in throat
• R07.1Chest pain on breathing
• R07.2Precordial pain
• R07.8Other chest pain
• R07.81Pleurodynia
• R07.82Intercostal pain
• R07.89Other chest pain
• R07.9Chest pain, unspecified
• R09Other symptoms and signs involving the circulatory and respiratory system
• R09.0Asphyxia and hypoxemia
• R09.01Asphyxia
• R09.02Hypoxemia
• R09.1Pleurisy
• R09.2Respiratory arrest
• R09.3Abnormal sputum
• R09.8Other specified symptoms and signs involving the circulatory and respiratory systems
• R09.81Nasal congestion
• R09.82Postnasal drip
• R09.89Other specified symptoms and signs involving the circulatory and respiratory systems
• R09.AForeign body sensation of the circulatory and respiratory system
• R09.A0Foreign body sensation, unspecified
• R09.A1Foreign body sensation, nose
• R09.A2Foreign body sensation, throat
• R09.A9Foreign body sensation, other site

R00-R09 MS-DRGs

This code does not group to an MS-DRG as a principal diagnosis.

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.