Cardiology Coding & Billing Hub

Comprehensive coding guidance for cardiovascular medicine, diagnostic testing, cardiac catheterization, echocardiography, and rhythm management.

Top Diagnoses: 8 Core Codes

Top Procedures: 6 Core Procedures

Auditing Focus: High Priority

Data Source: CMS & Clinical Society Guidelines

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Core Specialty Coding Directive

What are the critical billing rules for Cardiology Coding & Billing Hub? Always sequence hypertensive heart disease with heart failure under category I11. When coding echocardiography, ensure complete spectral and color flow Doppler documentation to support 93306.

Updated for current Medicare Part B coverage policies and NCCI quarterly edit tables.

Frequently Billed ICD-10-CM Diagnosis Codes

Click any diagnosis code to view complete CDC tabular guidelines, Excludes 1 exclusions, and billability status:

                        I10 →
                    

Essential (primary) hypertension

                        I25.10 →
                    

Athscl heart disease of native coronary artery w/o ang pctrs

                        I50.9 →
                    

Heart failure, unspecified

                        I48.91 →
                    

Unspecified atrial fibrillation

                        I48.0 →
                    

Paroxysmal atrial fibrillation

                        I49.9 →
                    

Cardiac arrhythmia, unspecified

                        I11.0 →
                    

Hypertensive heart disease with heart failure

                        I11.9 →
                    

Hypertensive heart disease without heart failure

Common CPT & HCPCS Procedure Codes

Code	Description	Reimbursement Bridge
G2211	Visit complexity add-on code inherent to ongoing evaluation and management services	View RVU ($16.04) →
93000	Electrocardiogram, routine ECG with at least 12 leads; with interpretation and report	View RVU ($16.37) →
93010	Specialty procedure or diagnostic service	Standard PFS Code
93306	Specialty procedure or diagnostic service	Standard PFS Code
93458	Specialty procedure or diagnostic service	Standard PFS Code
93224	Specialty procedure or diagnostic service	Standard PFS Code

Essential Billing Modifiers for Cardiology Coding & Billing Hub

Modifier 25 Guidelines → Modifier 26 Guidelines → Modifier TC Guidelines → Modifier 59 Guidelines →

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High-Risk Documentation & Audit Traps

Always sequence hypertensive heart disease with heart failure under category I11. When coding echocardiography, ensure complete spectral and color flow Doppler documentation to support 93306.

Audit Defense Recommendation: Medical records must contain explicit physician-authored clinical notes demonstrating medical necessity. Review NCCI PTP edits prior to submission using our free NCCI Edit Checker.

AAPC CPC Exam Focus

Certification Exam Key Concepts

AAPC CPC exam heavily tests combination hypertensive codes, component billing (26/TC) for diagnostic testing, and myocardial infarction sequencing rules.

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