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Compare/I47 vs R00

I47 vs R00

I47 (Paroxysmal tachycardia) compared with R00 (Abnormalities of heart beat), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).

Can these codes be reported together?

Yes, when both are documented. R00 carries an Excludes2 note covering I47: “specified arrhythmias (I47-I49)”

Excludes2 marks distinct conditions — both may be reported when both are documented.

Side by side

I47Paroxysmal tachycardiaR00Abnormalities of heart beat
Billing statusNon-billable header

Report instead: I47.0, I47.10, I47.11, I47.19, I47.20

Non-billable header

Report instead: R00.0, R00.1, R00.2, R00.8, R00.9

ClassificationI00-I99 — Diseases of the Circulatory System (I00-I99)R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99)
DefinitionParoxysmal tachycardia is a non-billable ICD-10-CM category code (I47).Abnormalities of heart beat is a non-billable ICD-10-CM category code (R00).
Code first
tachycardia complicating:
abortion or ectopic or molar pregnancy (O00-O07, O08.8)
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Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources