I51.5: Myocardial degeneration
I51.5, myocardial degeneration, is listed as a covered diagnosis in 7 Medicare billing and coding articles that apply to 29 HCPCS Level II codes, including J0153 (Injection, adenosine, 1 mg (not to be used to report any…), J1250 (Injection, dobutamine hydrochloride, per 250 mg), J1245 (Injection, dipyridamole, per 10 mg). The articles come from 4 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.
HCPCS Level II codes with I51.5 as a covered diagnosis
| Code | Description | Medicare coverage | DMEPOS fee 2026 (state range) | Articles listing it |
|---|---|---|---|---|
| J0153 | Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds) | Special coverage instructions apply | — | 5 |
| J1250 | Injection, dobutamine hydrochloride, per 250 mg | Special coverage instructions apply | — | 5 |
| J1245 | Injection, dipyridamole, per 10 mg | Special coverage instructions apply | — | 5 |
| J0461 | Injection, atropine sulfate, 0.01 mg | Special coverage instructions apply | — | 4 |
| J0280 | Injection, aminophyllin, up to 250 mg | Special coverage instructions apply | — | 4 |
| A9700 | Supply of injectable contrast material for use in echocardiography, per study | Special coverage instructions apply | — | 3 |
| G0278 | Iliac and/or femoral artery angiography, non-selective, bilateral or ipsilateral to catheter insertion, performed at the same time as cardiac catheterization and/or coronary angiography, includes positioning or placement of the catheter in the distal aorta or ipsilateral femoral or iliac artery, injection of dye, production of permanent images, and radiologic supervision and interpretation (list separately in addition to primary procedure) | Carrier judgment | — | 2 |
| G0269 | Placement of occlusive device into either a venous or arterial access site, post surgical or interventional procedure (e.g., angioseal plug, vascular plug) | Special coverage instructions apply | — | 2 |
| J3490 | Unclassified drugs | Special coverage instructions apply | — | 2 |
| J2785 | Injection, regadenoson, 0.1 mg | Carrier judgment | — | 2 |
| Q9957 | Injection, perflutren lipid microspheres, per ml | Carrier judgment | — | 2 |
| Q9956 | Injection, octafluoropropane microspheres, per ml | Carrier judgment | — | 2 |
| C8921 | Transthoracic echocardiography with contrast, or without contrast followed by with contrast, for congenital cardiac anomalies; complete | Special coverage instructions apply | — | 2 |
| C8922 | Transthoracic echocardiography with contrast, or without contrast followed by with contrast, for congenital cardiac anomalies; follow-up or limited study | Special coverage instructions apply | — | 2 |
| C8923 | Transthoracic echocardiography with contrast, or without contrast followed by with contrast, real-time with image documentation (2d), includes m-mode recording, when performed, complete, without spectral or color doppler echocardiography | Special coverage instructions apply | — | 2 |
| C8924 | Transthoracic echocardiography with contrast, or without contrast followed by with contrast, real-time with image documentation (2d), includes m-mode recording, when performed, follow-up or limited study | Special coverage instructions apply | — | 2 |
| C8928 | Transthoracic echocardiography with contrast, or without contrast followed by with contrast, real-time with image documentation (2d), includes m-mode recording, when performed, during rest and cardiovascular stress test using treadmill, bicycle exercise and/or pharmacologically induced stress, with interpretation and report | Special coverage instructions apply | — | 2 |
| C8929 | Transthoracic echocardiography with contrast, or without contrast followed by with contrast, real-time with image documentation (2d), includes m-mode recording, when performed, complete, with spectral doppler echocardiography, and with color flow doppler echocardiography | Special coverage instructions apply | — | 2 |
| C8930 | Transthoracic echocardiography, with contrast, or without contrast followed by with contrast, real-time with image documentation (2d), includes m-mode recording, when performed, during rest and cardiovascular stress test using treadmill, bicycle exercise and/or pharmacologically induced stress, with interpretation and report; including performance of continuous electrocardiographic monitoring, with physician supervision | Special coverage instructions apply | — | 2 |
| Q9955 | Injection, perflexane lipid microspheres, per ml | Carrier judgment | — | 2 |
| A9500 | Technetium tc-99m sestamibi, diagnostic, per study dose | Carrier judgment | — | 1 |
| A9502 | Technetium tc-99m tetrofosmin, diagnostic, per study dose | Carrier judgment | — | 1 |
| A9555 | Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries | Carrier judgment | — | 1 |
| A9505 | Thallium tl-201 thallous chloride, diagnostic, per millicurie | Carrier judgment | — | 1 |
| A9526 | Nitrogen n-13 ammonia, diagnostic, per study dose, up to 40 millicuries | Carrier judgment | — | 1 |
4 more codes are listed. See every code with payment by region in Caduvo.
Medicare policy articles listing I51.5
- A57183: Billing and Coding: Cardiovascular Stress Testing, Including Exercise and/or Pharmacological Stress and Stress Echocardiography (Noridian Healthcare Solutions, LLC (MAC - Part A, MAC - Part B); 4 Level II codes). LCD with the same title: L34324
- A56500: Billing and Coding: Cardiac Catheterization and Coronary Angiography (CGS Administrators, LLC (MAC - Part A, MAC - Part B); 2 Level II codes). LCD with the same title: L33557, L33959
- A56476: Billing and Coding: Cardiac Radionuclide Imaging (Palmetto GBA (MAC - Part A, MAC - Part B); 13 Level II codes). LCD with the same title: L33457
- A52850: Billing and Coding: Cardiac Catheterization and Coronary Angiography (Wellpoint Federal (MAC - Part A, MAC - Part B); 2 Level II codes). LCD with the same title: L33557, L33959
- A57306: Billing and Coding: Transthoracic Echocardiography (TTE) (CGS Administrators, LLC (MAC - Part A, MAC - Part B); 19 Level II codes). LCD with the same title: L33577, L34338
- A56781: Billing and Coding: Transthoracic Echocardiography (TTE) (Wellpoint Federal (MAC - Part A, MAC - Part B); 17 Level II codes). LCD with the same title: L33577, L34338
- A56625: Billing and Coding: Echocardiography (Palmetto GBA (MAC - Part A, MAC - Part B); 6 Level II codes). LCD with the same title: L37379
A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.
Other I51 diagnoses (Complications and ill-defined descriptions of heart disease)
- I51.0 — Cardiac septal defect, acquired
- I51.1 — Rupture of chordae tendineae, not elsewhere classified
- I51.2 — Rupture of papillary muscle, not elsewhere classified
- I51.3 — Intracardiac thrombosis, not elsewhere classified
- I51.4 — Myocarditis, unspecified
- I51.7 — Cardiomegaly
- I51.81 — Takotsubo syndrome
- I51.89 — Other ill-defined heart diseases
- I51.9 — Heart disease, unspecified
Frequently asked questions
Does Medicare cover I51.5 (Myocardial degeneration)?
Medicare covers items and services, not diagnoses. 7 Medicare billing and coding articles list I51.5 as a covered diagnosis for 29 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.
Which HCPCS codes can be billed with ICD-10 I51.5?
The Level II codes from the policies most specific to this diagnosis are J0153 (Injection, adenosine, 1 mg (not to be used to report any…, 5 articles); J1250 (Injection, dobutamine hydrochloride, per 250 mg, 5 articles); J1245 (Injection, dipyridamole, per 10 mg, 5 articles); J0461 (Injection, atropine sulfate, 0.01 mg, 4 articles); J0280 (Injection, aminophyllin, up to 250 mg, 4 articles). Code choice depends on the item supplied; check each code's descriptor.
Which Medicare policy articles list I51.5?
A57183 (Billing and Coding: Cardiovascular Stress Testing, Including Exercise and/or Pharmacological Stress and Stress Echocardiography); A56500 (Billing and Coding: Cardiac Catheterization and Coronary Angiography); A56476 (Billing and Coding: Cardiac Radionuclide Imaging), and 4 more articles.
What is ICD-10-CM code I51.5?
I51.5 is the ICD-10-CM code for myocardial degeneration, in category I51 (Complications and ill-defined descriptions of heart disease), chapter 9: Diseases of the circulatory system.
Next steps
- Run a reimbursement report for a device billed under J0153
- Watch J0153 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J0153
Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.
Chapter 9: Diseases of the circulatory system · All diagnoses · HCPCS lookup