I27.29: Other secondary pulmonary hypertension
I27.29, other secondary pulmonary hypertension, is listed as a covered diagnosis in 10 Medicare billing and coding articles that apply to 103 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). 20 of these codes have a 2026 DMEPOS fee schedule amount; K0730 pays $245.69 (RR) depending on the state. 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 I27.29 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 |
| 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 |
| G0238 | Therapeutic procedures to improve respiratory function, other than described by g0237, one on one, face to face, per 15 minutes (includes monitoring) | Carrier judgment | — | 2 |
| G0237 | Therapeutic procedures to increase strength or endurance of respiratory muscles, face to face, one on one, each 15 minutes (includes monitoring) | Carrier judgment | — | 2 |
| G0239 | Therapeutic procedures to improve respiratory function or increase strength or endurance of respiratory muscles, two or more individuals (includes monitoring) | Carrier judgment | — | 2 |
| K0730 | Controlled dose inhalation drug delivery system | Carrier judgment | $245.69 (RR) | 1 |
| E1372 | Immersion external heater for nebulizer | Special coverage instructions apply | $136.61–$208.94 (NU) | 1 |
| A7017 | Nebulizer, durable, glass or autoclavable plastic, bottle type, not used with oxygen | Special coverage instructions apply | $130.82–$194.58 (NU) | 1 |
| E0580 | Nebulizer, durable, glass or autoclavable plastic, bottle type, for use with regulator or flowmeter | Special coverage instructions apply | $164.65–$182.27 (NU) | 1 |
| E0575 | Nebulizer, ultrasonic, large volume | Special coverage instructions apply | $124.51–$159.48 (RR) | 1 |
| E0565 | Compressor, air power source for equipment which is not self-contained or cylinder driven | Carrier judgment | $42.74–$82.96 (RR) | 1 |
| E0574 | Ultrasonic/electronic aerosol generator with small volume nebulizer | Carrier judgment | $48.76–$67.63 (RR) | 1 |
| E0585 | Nebulizer, with compressor and heater | Special coverage instructions apply | $32.06–$60.76 (RR) | 1 |
| E0572 | Aerosol compressor, adjustable pressure, light duty for intermittent use | Carrier judgment | $29.16–$51.74 (RR) | 1 |
| A7005 | Administration set, with small volume nonfiltered pneumatic nebulizer, non-disposable | Carrier judgment | $11.77–$29.20 (NU) | 1 |
| A7008 | Large volume nebulizer, disposable, prefilled, used with aerosol compressor | Carrier judgment | $12.46–$18.09 (NU) | 1 |
| A7016 | Dome and mouthpiece, used with small volume ultrasonic nebulizer | Carrier judgment | $9.31–$17.75 (NU) | 1 |
| E0570 | Nebulizer, with compressor | Special coverage instructions apply | $6.09–$15.43 (RR) | 1 |
| A7006 | Administration set, with small volume filtered pneumatic nebulizer | Carrier judgment | $8.19–$14.94 (NU) | 1 |
78 more codes are listed. See every code with payment by region in Caduvo.
Medicare policy articles listing I27.29
- A52466: Nebulizers - Policy Article (CGS Administrators, LLC (DME MAC) Noridian Healthcare Solutions, LLC (DME MAC); 53 Level II codes). LCD with the same title: L33370
- 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
- A56717: Billing and Coding: Respiratory Therapy (Respiratory Care) (Palmetto GBA (MAC - Part A); 3 Level II codes). LCD with the same title: L34430
- A57224: Billing and Coding: Respiratory Care (Noridian Healthcare Solutions, LLC (MAC - Part A, MAC - Part B); 3 Level II codes). LCD with the same title: L34149
- 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
- A56775: Billing and Coding: Magnetic Resonance Angiography (Palmetto GBA (MAC - Part A, MAC - Part B); 18 Level II codes). LCD with the same title: L34424
- 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 I27 diagnoses (Other pulmonary heart diseases)
- I27.20 — Pulmonary hypertension, unspecified
- I27.21 — Secondary pulmonary arterial hypertension
- I27.22 — Pulmonary hypertension due to left heart disease
- I27.23 — Pulmonary hypertension due to lung diseases and hypoxia
- I27.24 — Chronic thromboembolic pulmonary hypertension
- I27.0 — Primary pulmonary hypertension
- I27.1 — Kyphoscoliotic heart disease
- I27.81 — Cor pulmonale (chronic)
- I27.82 — Chronic pulmonary embolism
- I27.83 — Eisenmenger's syndrome
- I27.840 — Fontan-associated liver disease [FALD]
- I27.841 — Fontan-associated lymphatic dysfunction
- I27.848 — Other Fontan-associated condition
- I27.849 — Fontan related circulation, unspecified
- I27.89 — Other specified pulmonary heart diseases
- I27.9 — Pulmonary heart disease, unspecified
Frequently asked questions
Does Medicare cover I27.29 (Other secondary pulmonary hypertension)?
Medicare covers items and services, not diagnoses. 10 Medicare billing and coding articles list I27.29 as a covered diagnosis for 103 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 I27.29?
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.
What does Medicare pay for equipment billed with I27.29?
Under the 2026 DMEPOS fee schedule (non-rural state fees): K0730 $245.69 (RR); E1372 $136.61 to $208.94 (NU); A7017 $130.82 to $194.58 (NU); E0580 $164.65 to $182.27 (NU). Medicare pays 80% of the allowed amount after the Part B deductible.
Which Medicare policy articles list I27.29?
A52466 (Nebulizers - Policy Article); A56500 (Billing and Coding: Cardiac Catheterization and Coronary Angiography); A56476 (Billing and Coding: Cardiac Radionuclide Imaging), and 7 more articles.
What is ICD-10-CM code I27.29?
I27.29 is the ICD-10-CM code for other secondary pulmonary hypertension, in category I27 (Other pulmonary heart diseases), 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