ICD-10 R00.9
Billable / SpecificUnspecified abnormalities of heart beat
About ICD-10-CM R00.9
ICD-10-CM code R00.9 represents Unspecified abnormalities of heart beat. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R00). The 2026 edition of ICD-10-CM R00.9 became effective on October 1, 2025.
Medicare LCD Coverage for R00.9
Local Coverage Determinations (LCDs) from CMS MACs that list R00.9 as a covered diagnosis.
Showing top 10 of 60 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R00.9.
1 Cigna
3 Medicare
CPT Codes Commonly Billed with R00.9
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 93000 EKG 12-lead — tachycardia, bradycardia, palpitations, HTN, CAD, AFib, arrhythmia, chest pain, syncope, cardiomyopathy, AV block, bundle branch block, SVT, VT, diabetes screening, abnormal EKG Cardiology
Convert R00.9 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| R00.9 | 7853 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To R00.9
Other codes in section R00-R09 (Symptoms and signs involving the circulatory and respiratory systems).
ICD-10 R00.9, Billing FAQ
Is ICD-10 code R00.9 billable? +
Yes, R00.9 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with R00.9? +
Procedures frequently paired with R00.9 include: 93000.
What ICD-9 codes does R00.9 map to? +
Per CMS GEMs, R00.9 maps to ICD-9 codes: 7853. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 17, 2026.
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