R04Header code — not billable

Hemorrhage from respiratory passages

Chapter
18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Category
R04
Effective date
October 1, 2026

Related codes in category R04

R04.0EpistaxisYesR04.1Hemorrhage from throatYesR04.2HemoptysisYesR04.8Hemorrhage from other sites in respiratory passagesR04.81Acute idiopathic pulmonary hemorrhage in infantsYesR04.89Hemorrhage from other sites in respiratory passagesYesR04.9Hemorrhage from respiratory passages, unspecifiedYes

Frequently asked questions

What is ICD-10 code R04?

R04 is an ICD-10-CM diagnosis code for Hemorrhage from respiratory passages.

Is R04 a billable code?

No. R04 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is R04 in?

R04 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.

When did R04 become effective?

R04 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to R04?

R04 belongs to category R04, which includes 7 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.