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Compare/P29.12 vs R00.1

P29.12 vs R00.1

P29.12 (Neonatal bradycardia) compared with R00.1 (Bradycardia, unspecified), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.

Can these codes be reported together?

No — do not report together. R00.1 carries an Excludes1 note covering P29.12: “neonatal bradycardia (P29.12)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

No — do not report together. R00.1 carries an Excludes1 note covering P29.12: “abnormalities originating in the perinatal period (P29.1-)”

Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Side by side

P29.12Neonatal bradycardiaR00.1Bradycardia, unspecified
Billing statusBillableBillable
ClassificationP00-P96 — Certain Conditions Originating in the Perinatal Period (P00-P96)R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99)
DefinitionNeonatal bradycardia is a billable ICD-10-CM diagnosis code (P29.12).Bradycardia, unspecified is a billable ICD-10-CM diagnosis code (R00.1).
Includes
Sinoatrial bradycardia
Sinus bradycardia
Slow heart beat
Vagal bradycardia
Use additional code
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources