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R00.9

✓ Billable

Unspecified abnormalities of heart beat

Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)

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❌ Excludes1

inherited from R00

Rules from parent category R00: Abnormalities of heart beat

  • • abnormalities originating in the perinatal period (P29.1-)

⚠️ Excludes2

inherited from R00

Rules from parent category R00: Abnormalities of heart beat

  • • specified arrhythmias (I47-I49)

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Code Information

CodeR00.9
BillableYes
ParentR00
CategorySymptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Excludes11 rule(s)
Excludes21 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)