I51.5 — Myocardial degeneration
ICD-10-CM
Prior Authorization
No Prior Auth Required
Code is covered without prior authorization (high confidence)
Documentation Required
- The patient's medical record must fully document medical necessity for the cardiac catheterization and support the diagnosis and procedures billed.
- Each claim must include ICD-10-CM diagnosis code(s) that accurately reflect the patient's condition and reason for the procedure and these codes must be linked to the CPT procedure codes on the claim.
- When a referring/ordering physician is required, the name and NPI of the referring/ordering physician must be reported on the claim; for extra-cardiac angiographic services the treating physician's name and NPI must be submitted in items 17/17a of CMS-1500 or electronic equivalent.
- For patients post-heart transplant without evidence of rejection, use primary diagnosis Z09 (follow-up after completed treatment) and secondary diagnosis Z94.1 (heart transplant status); add the underlying disorder code when coding I25.82 or I31.4.
Key Coverage Criteria
- Medicare Part B covers the professional component of cardiac catheterization and coronary angiography when performed in hospital inpatient and outpatient facility settings.
- Diagnostic cardiac catheterization performed in an office setting (where permitted) is covered under Medicare Part B for both professional and technical components.
- Global and technical component procedures are covered under Part B when performed under personal physician supervision in an IDTF, free-standing facility, physician office, or physician-directed clinic (physician present in room for entire procedure).
- Preoperative cardiac stress testing with radionuclide imaging for asymptomatic patients deemed at moderate risk is covered only if the medical record documents at least one of the following: diabetes mellitus with complications; peripheral vascular disease; aortic aneurysm; or cerebrovascular disease.
- Cardiac catheterization and coronary angiography are covered when the medical record documents medical necessity, including relevant medical history, physical examination, and results of pertinent diagnostic tests that support the procedure.
- Follow-up or limited transthoracic echocardiography performed to evaluate a single specified cardiac problem or region must be billed with CPT 93308.
20 Active Policies
L33577 — Transthoracic Echocardiography (TTE)
J06
A56781 — Billing and Coding: Transthoracic Echocardiography (TTE)
J06
A52850 — Billing and Coding: Cardiac Catheterization and Coronary Angiography
J06
L33557 — Cardiac Catheterization and Coronary Angiography
J06
A56500
Related Codes
Have a follow-up question?
Ask Verity about documentation requirements, denial risks, or coverage in your state.