R06.1: Stridor
R06.1, stridor, is listed as a covered diagnosis in 4 Medicare billing and coding articles that apply to 17 HCPCS Level II codes, including J2785 (Injection, regadenoson, 0.1 mg), J3490 (Unclassified drugs), A9500 (Technetium tc-99m sestamibi, diagnostic, per study dose). The articles come from 3 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 R06.1 as a covered diagnosis
| Code | Description | Medicare coverage | DMEPOS fee 2026 (state range) | Articles listing it |
|---|---|---|---|---|
| J2785 | Injection, regadenoson, 0.1 mg | Carrier judgment | — | 1 |
| J3490 | Unclassified drugs | Special coverage instructions apply | — | 1 |
| A9500 | Technetium tc-99m sestamibi, diagnostic, per study dose | Carrier judgment | — | 1 |
| J0153 | Injection, adenosine, 1 mg (not to be used to report any adenosine phosphate compounds) | Special coverage instructions apply | — | 1 |
| A9502 | Technetium tc-99m tetrofosmin, diagnostic, per study dose | Carrier judgment | — | 1 |
| J1250 | Injection, dobutamine hydrochloride, per 250 mg | Special coverage instructions apply | — | 1 |
| J1245 | Injection, dipyridamole, per 10 mg | Special coverage instructions apply | — | 1 |
| A9505 | Thallium tl-201 thallous chloride, diagnostic, per millicurie | Carrier judgment | — | 1 |
| 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 |
| A9501 | Technetium tc-99m teboroxime, diagnostic, per study dose | Carrier judgment | — | 1 |
| 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 |
| G0153 | Services performed by a qualified speech-language pathologist in the home health or hospice setting, each 15 minutes | Carrier judgment | — | 1 |
| G0161 | Services performed by a qualified speech-language pathologist, in the home health setting, in the establishment or delivery of a safe and effective speech-language pathology maintenance program, each 15 minutes | Carrier judgment | — | 1 |
Medicare policy articles listing R06.1
- A56494: Billing and Coding: Cardiovascular Nuclear Medicine (CGS Administrators, LLC (MAC - Part A, MAC - Part B); 12 Level II codes). LCD with the same title: L33560, L33960
- A53052: Billing and Coding: Home Health Speech-Language Pathology (Palmetto GBA (HHH MAC); 2 Level II codes). LCD with the same title: L34563
- 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
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 R06 diagnoses (Abnormalities of breathing)
- R06.00 — Dyspnea, unspecified
- R06.01 — Orthopnea
- R06.02 — Shortness of breath
- R06.03 — Acute respiratory distress
- R06.09 — Other forms of dyspnea
- R06.2 — Wheezing
- R06.3 — Periodic breathing
- R06.4 — Hyperventilation
- R06.81 — Apnea, not elsewhere classified
- R06.82 — Tachypnea, not elsewhere classified
- R06.83 — Snoring
- R06.89 — Other abnormalities of breathing
Frequently asked questions
Does Medicare cover R06.1 (Stridor)?
Medicare covers items and services, not diagnoses. 4 Medicare billing and coding articles list R06.1 as a covered diagnosis for 17 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 R06.1?
The Level II codes from the policies most specific to this diagnosis are J2785 (Injection, regadenoson, 0.1 mg, 1 article); J3490 (Unclassified drugs, 1 article); A9500 (Technetium tc-99m sestamibi, diagnostic, per study dose, 1 article); J0153 (Injection, adenosine, 1 mg (not to be used to report any…, 1 article); A9502 (Technetium tc-99m tetrofosmin, diagnostic, per study dose, 1 article). Code choice depends on the item supplied; check each code's descriptor.
Which Medicare policy articles list R06.1?
A56494 (Billing and Coding: Cardiovascular Nuclear Medicine); A53052 (Billing and Coding: Home Health Speech-Language Pathology); A56717 (Billing and Coding: Respiratory Therapy (Respiratory Care)), and 1 more article.
What is ICD-10-CM code R06.1?
R06.1 is the ICD-10-CM code for stridor, in category R06 (Abnormalities of breathing), chapter 18: Symptoms, signs and abnormal findings.
Next steps
- Run a reimbursement report for a device billed under J2785
- Watch J2785 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J2785
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 18: Symptoms, signs and abnormal findings · All diagnoses · HCPCS lookup