Is R03 a billable ICD-10-CM code?

No. R03 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does R03 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).

R03

R03 — Abnormal blood-pressure reading, without diagnosis

Non-billable headerICD-10-CM

R03 is a non-billable header ICD-10-CM code for abnormal blood-pressure reading, without diagnosis. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with R03

These codes carry an Excludes1 note pointing at R03. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading R03 alone.

I95Hypotension

Risk adjustment

R03 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 R03

2 child codes. Green means billable.

Questions about R03

Is R03 a billable ICD-10-CM code?: No. R03 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does R03 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).