Is R04 a billable ICD-10-CM code?

No. R04 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does R04 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).

R04

R04 — Hemorrhage from respiratory passages

Non-billable headerICD-10-CM

R04 is a non-billable header ICD-10-CM code for hemorrhage from respiratory passages. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with R04

These codes carry an Excludes1 note pointing at R04. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading R04 alone.

P26Pulmonary hemorrhage originating in the perinatal period
R09.3Abnormal sputum
R84Abnormal findings in specimens from respiratory organs and thorax
J84.03Idiopathic pulmonary hemosiderosis

Risk adjustment

R04 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.

Code to one of these instead R04

5 child codes. Green means billable.

Questions about R04

Is R04 a billable ICD-10-CM code?: No. R04 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does R04 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).