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R04.0

R04.0Epistaxis

Billable / specific codeICD-10-CM

R04.0 is a billable, specific ICD-10-CM code for epistaxis. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Hemorrhage from nose
  • Nosebleed

Risk adjustment

R04.0 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

R04.0 is named in 5 Medicare coverage policies 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56631Billing and Coding: Thoracic Aortography and Carotid, Vertebral, and Subclavian Angiography
  • A56729Billing and Coding: Magnetic Resonance Imaging of the Head and Neck
  • A57056Billing and Coding: Aortography and Peripheral Angiography
  • A58774Billing and Coding: Cosmetic and Reconstructive Surgery

How R04.0 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to R04.0.

  • Epistaxis(multiple)
  • Nosebleed
  • Bleedingnose
  • Hemorrhage, hemorrhagicnasal turbinate
  • Hemorrhage, hemorrhagicnose
  • Hemorrhage, hemorrhagicpostnasal

Related codes at this level

Codes that share R04. If R04.0 is not quite right, the correct code is usually one of these.

Questions about R04.0

Is R04.0 a billable ICD-10-CM code?
Yes. R04.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does R04.0 sit in the tabular list?
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Symptoms and signs involving the circulatory and respiratory systems (R00-R09).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.