P29.11 vs R00.0
P29.11 (Neonatal tachycardia) compared with R00.0 (Tachycardia, 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. R00.0 carries an Excludes1 note covering P29.11: “neonatal tachycardia (P29.11)”
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. R00.0 carries an Excludes1 note covering P29.11: “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
| P29.11Neonatal tachycardia | R00.0Tachycardia, unspecified | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | P00-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) |
| Definition | Neonatal tachycardia is a billable ICD-10-CM diagnosis code (P29.11). | Tachycardia, unspecified is a billable ICD-10-CM diagnosis code (R00.0). |
| Includes | — | Rapid heart beat Sinoauricular tachycardia NOS Sinus [sinusal] tachycardia NOS |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources