I47.9: Paroxysmal tachycardia, unspecified
I47.9, paroxysmal tachycardia, unspecified, is listed as a covered diagnosis in 8 Medicare billing and coding articles that apply to 39 HCPCS Level II codes, including J0461 (Injection, atropine sulfate, 0.01 mg), J0153 (Injection, adenosine, 1 mg (not to be used to report any…), J1250 (Injection, dobutamine hydrochloride, per 250 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 I47.9 as a covered diagnosis
| Code | Description | Medicare coverage | DMEPOS fee 2026 (state range) | Articles listing it |
|---|---|---|---|---|
| J0461 | Injection, atropine sulfate, 0.01 mg | Special coverage instructions apply | — | 4 |
| J0153 | Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds) | Special coverage instructions apply | — | 4 |
| J1250 | Injection, dobutamine hydrochloride, per 250 mg | Special coverage instructions apply | — | 4 |
| J0280 | Injection, aminophyllin, up to 250 mg | Special coverage instructions apply | — | 4 |
| J1245 | Injection, dipyridamole, per 10 mg | Special coverage instructions apply | — | 4 |
| C7539 | Insertion of new or replacement of permanent pacemaker with atrial and ventricular transvenous electrode(s), with insertion of pacing electrode, cardiac venous system, for left ventricular pacing, at time of insertion of implantable defibrillator or pacemaker pulse generator (eg, for upgrade to dual chamber system) | Special coverage instructions apply | — | 1 |
| C7538 | Insertion of new or replacement of permanent pacemaker with ventricular transvenous electrode(s), with insertion of pacing electrode, cardiac venous system, for left ventricular pacing, at time of insertion of implantable defibrillator or pacemaker pulse generator (e.g., for upgrade to dual chamber system) | Special coverage instructions apply | — | 1 |
| C7540 | Removal of permanent pacemaker pulse generator with replacement of pacemaker pulse generator, dual lead system, with insertion of pacing electrode, cardiac venous system, for left ventricular pacing, at time of insertion of implantable defibrillator or pacemaker pulse generator (eg, for upgrade to dual chamber system) | Carrier judgment | — | 1 |
| C7537 | Insertion of new or replacement of permanent pacemaker with atrial transvenous electrode(s), with insertion of pacing electrode, cardiac venous system, for left ventricular pacing, at time of insertion of implantable defibrillator or pacemaker pulse generator (e.g., for upgrade to dual chamber system) | Special coverage instructions apply | — | 1 |
| G0448 | Insertion or replacement of a permanent pacing cardioverter-defibrillator system with transvenous lead(s), single or dual chamber with insertion of pacing electrode, cardiac venous system, for left ventricular pacing | Carrier judgment | — | 1 |
| A9500 | Technetium tc-99m sestamibi, diagnostic, per study dose | Carrier judgment | — | 2 |
| A9502 | Technetium tc-99m tetrofosmin, diagnostic, per study dose | Carrier judgment | — | 2 |
| A9505 | Thallium tl-201 thallous chloride, diagnostic, per millicurie | Carrier judgment | — | 2 |
| A9501 | Technetium tc-99m teboroxime, diagnostic, per study dose | Carrier judgment | — | 2 |
| 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 |
| A9512 | Technetium tc-99m pertechnetate, diagnostic, per millicurie | Carrier judgment | — | 1 |
| A9560 | Technetium tc-99m labeled red blood cells, diagnostic, per study dose, up to 30 millicuries | Carrier judgment | — | 1 |
| A9538 | Technetium tc-99m pyrophosphate, diagnostic, per study dose, up to 25 millicuries | Carrier judgment | — | 1 |
| A9520 | Technetium tc-99m tilmanocept, diagnostic, up to 0.5 millicuries | Carrier judgment | — | 1 |
| C9176 | Tc-99m from domestically produced non-heu mo-99, [minimum 50 percent], full cost recovery add-on, per study dose | Special coverage instructions apply | — | 1 |
| 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 |
14 more codes are listed. See every code with payment by region in Caduvo.
Medicare policy articles listing I47.9
- A56391: Billing and Coding: Implantable Automatic Defibrillators (WPS Insurance Corporation (MAC - Part A, MAC - Part B); 5 Level II codes)
- A56743: Billing and Coding: Cardiovascular Nuclear Medicine (Wellpoint Federal (MAC - Part A, MAC - Part B); 9 Level II codes). LCD with the same title: L33560, L33960
- 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 I47 diagnoses (Paroxysmal tachycardia)
- I47.0 — Re-entry ventricular arrhythmia
- I47.10 — Supraventricular tachycardia, unspecified
- I47.11 — Inappropriate sinus tachycardia, so stated
- I47.19 — Other supraventricular tachycardia
- I47.20 — Ventricular tachycardia, unspecified
- I47.21 — Torsades de pointes
- I47.29 — Other ventricular tachycardia
Frequently asked questions
Does Medicare cover I47.9 (Paroxysmal tachycardia, unspecified)?
Medicare covers items and services, not diagnoses. 8 Medicare billing and coding articles list I47.9 as a covered diagnosis for 39 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 I47.9?
The Level II codes from the policies most specific to this diagnosis are J0461 (Injection, atropine sulfate, 0.01 mg, 4 articles); J0153 (Injection, adenosine, 1 mg (not to be used to report any…, 4 articles); J1250 (Injection, dobutamine hydrochloride, per 250 mg, 4 articles); J0280 (Injection, aminophyllin, up to 250 mg, 4 articles); J1245 (Injection, dipyridamole, per 10 mg, 4 articles). Code choice depends on the item supplied; check each code's descriptor.
Which Medicare policy articles list I47.9?
A56391 (Billing and Coding: Implantable Automatic Defibrillators); A56743 (Billing and Coding: Cardiovascular Nuclear Medicine); A56500 (Billing and Coding: Cardiac Catheterization and Coronary Angiography), and 5 more articles.
What is ICD-10-CM code I47.9?
I47.9 is the ICD-10-CM code for paroxysmal tachycardia, unspecified, in category I47 (Paroxysmal tachycardia), chapter 9: Diseases of the circulatory system.
Next steps
- Run a reimbursement report for a device billed under J0461
- Watch J0461 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J0461
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