Every policy word on this page is CMS's own. Verzi adds pins, receipts, and links only.
Nebulizers
LCD L33370 · CMS's HCPCS descriptor for G0333: Pharmacy dispensing fee for inhalation drug(s); initial 30-day supply as a beneficiary.
Not on CMS's Required Prior Authorization List for DMEPOS on 2026-10-13. source
LCD L33370 · 13 versions, 2015 to today · last changed 2026-02-01 (R14)
Version 58 of LCD L33370: in force by CMS's dates 2026-02-01 onward. The policy text on this page comes from this archived version.
JA · Noridian 16013
JB · CGS 17013
JC · CGS 18003
JD · Noridian 19003
source
CMS's Who are the MACs jurisdiction pages (DME facts as of 2025-09-30) name each contractor and its states; the MCD's Contractor Information table on every DME LCD prints the contract numbers. Both read 2026-10-09. Verzi adds the state lookup only.
62 more codes
CMS's newest revision note (R14, 2026-02-01), quoted
Revision Effective Date: 02/01/2026 COVERAGE INDICATIONS, LIMITATIONS, AND/OR MEDICAL NECESSITY: Revised: “The following table represents the maximum milligrams/per month of inhalation drugs that are reasonable and necessary for each nebulizer drug.” to “The following table represents the maximum per month of inhalation drugs that are reasonable and necessary for each nebulizer drug.,” as clarification Revised: “Maximum Milligrams/Month” to “Maximum Per Month” in the header of the second column within the tables that pertain to the maximums per month of inhalation drugs and solutions, as clarification Revised: “When albuterol, levalbuterol, or metaproterenol are prescribed as rescue/supplemental medication for beneficiaries who are taking formoterol or arformoterol, the maximum milligrams/per month that are reasonably billed are:” to “When albuterol, levalbuterol, or metaproterenol are prescribed as rescue/supplemental medication for beneficiaries who are taking formoterol or arformoterol, the maximum per month that are reasonably billed are:,” as clarification Revised: “Albuterol/Ipratroprium combination” to “Albuterol/Ipratropium combination” in the first column of the second table pertaining to inhalation drugs and solutions 02/19/2026: Pursuant to the 21st Century Cures Act, these revisions do not require notice and comment because the revisions are non-discretionary.
source
This quote comes from CMS's revision-history file, not from the version's own file: Our archived file.
Sections in this version: CMS National Coverage Policy · Coverage Indications, Limitations, and/or Medical Necessity · Summary of Evidence · Analysis of Evidence (Rationale for Determination) · Associated Information · Bibliography. Plus 7 sections marked N/A in this version.
Full verbatim text serves to customers · Customer? Log in
Version history, LCD L33370
CMS numbers each version. Each box shows the version's window by CMS's stated dates. Select a version to show it on this page. Versions superseded the same day they took effect never governed a claim, so the page hides them until you ask. Version numbers CMS never published to its archive do not exist as documents.
Revision history, every version
CMS's own change log, quoted, 12 entries. It does not change with the version shown. A revision (R-number) is a change CMS logged. The version (vN) is the snapshot that carries it.
R14 · 2026-02-01 · v58
Revision Effective Date: 02/01/2026 COVERAGE INDICATIONS, LIMITATIONS, AND/OR MEDICAL NECESSITY: Revised: “The following table represents the maximum milligrams/per month of inhalation drugs that are reasonable and necessary for each nebulizer drug.” to “The following table represents the maximum per month of inhalation drugs that are reasonable and necessary for each nebulizer drug.,” as clarification Revised: “Maximum Milligrams/Month” to “Maximum Per Month” in the header of the second column within the tables that pertain to the maximums per month of inhalation drugs and solutions, as clarification Revised: “When albuterol, levalbuterol, or metaproterenol are prescribed as rescue/supplemental medication for beneficiaries who are taking formoterol or arformoterol, the maximum milligrams/per month that are reasonably billed are:” to “When albuterol, levalbuterol, or metaproterenol are prescribed as rescue/supplemental medication for beneficiaries who are taking formoterol or arformoterol, the maximum per month that are reasonably billed are:,” as clarification Revised: “Albuterol/Ipratroprium combination” to “Albuterol/Ipratropium combination” in the first column of the second table pertaining to inhalation drugs and solutions 02/19/2026: Pursuant to the 21st Century Cures Act, these revisions do not require notice and comment because the revisions are non-discretionary.
R11 · 2023-01-01 · v45
Revision Effective Date: 01/01/2023 COVERAGE INDICATIONS, LIMITATIONS, AND/OR MEDICAL NECESSITY: Added: Instructions to DRUG WASTAGE section to see MODIFIERS section of the LCD-related Policy Article Removed: JW and JZ modifier instructions from DRUG WASTAGE section 06/15/2023: Pursuant to the 21st Century Cures Act, these revisions do not require notice and comment because the revisions are non-discretionary updates per CMS HCPCS coding determinations.
R10 · 2023-01-01 · v42
Revision Effective Date: 01/01/2023 COVERAGE INDICATIONS, LIMITATIONS, AND/OR MEDICAL NECESSITY: Added: JZ modifier to the DRUG WASTAGE section SUMMARY OF EVIDENCE: Removed: Summary of evidence information, due to not being applicable to the non-discretionary changes ANALYSIS OF EVIDENCE (RATIONALE FOR DETERMINATION): Removed: Analysis of evidence information, due to not being applicable to the non-discretionary changes CODING INFORMATION: Added: JZ modifier BIBLIOGRAPHY: Removed: Bibliography information, due to not being applicable to the non-discretionary changes 01/12/2023: Pursuant to the 21st Century Cures Act, these revisions do not require notice and comment because the revisions are non-discretionary updates per CMS HCPCS coding determinations.
R9 · 2022-06-05 · v37
Revision Effective Date: 06/05/2022 COVERAGE INDICATIONS, LIMITATIONS, AND/OR MEDICAL NECESSITY: Group 3 Codes reference for small volume nebulizer (A7003, A7004, A7005) and related compressor (E0570) Revised: Language regarding coverage of E0574, to include administration of Treprostinil inhalation solution to beneficiaries with pulmonary hypertension only and reference to Group 11 Codes in the LCD-related PA Revised: Coverage criteria for treprostinil and iloprost Added: Separate criteria language for iloprost Removed: Thromboembolic disease of the pulmonary arteries from criteria for treprostinil and iloprost Added: Criterion 4 to treprostinil coverage criteria and reference to Group 11 Codes in the LCD-related PA Added: Reference to Group 14 Codes in the LCD-related PA for iloprost SUMMARY OF EVIDENCE: Added: Information related to treprostinil inhalation solution for PH-ILD and related to iloprost and treprostinil inhalation solution for CTEPH ANALYSIS OF EVIDENCE: Added: Information related to treprostinil inhalation solution for PH-ILD and related to iloprost and treprostinil inhalation solution for CTEPH BIBLIOGRAPHY: Added: Section related to treprostinil inhalation solution for PH-ILD and related to iloprost and treprostinil inhalation solution for CTEPH RELATED LOCAL COVERAGE DOCUMENTS: Added: Response to Comments (A59085)
R8 · 2020-05-17 · v30
Revision Effective Date: 05/17/2020 COVERAGE INDICATIONS, LIMITATIONS AND/OR MEDICAL NECESSITY: Added: Statement regarding base and related accessories and supplies (BPM Ch. 15, Section 110.3) Clarified: “considered for coverage” to drug and equipment criteria Added: Revefenacin to inhalation solutions for the management of obstructive pulmonary disease - For Dates of Service on or after 11/9/2018 (FDA Approval Date) Revised: “alpha” to “alfa” in relation to HCPCS code J7639 Removed: Statement to refer to ICD-10 Codes that are Covered section in the LCD-related PA Added: Statement to refer to ICD-10 codes in the LCD-related Policy Article Revised: “alpha” to “alfa” in table with maximum milligrams/month Added: Revefenacin to table with maximum milligrams/month Added: Information regarding concurrent use of long-acting and short-acting muscarinic antagonists Revised: Format of HCPCS code references, from code ‘spans’ to individually-listed HCPCS codes Revised: "physician" to "practitioner" Revised: Order information as a result of Final Rule 1713 REFILL REQUIREMENTS: Revised: "ordering physicians" to "treating practitioners" SUMMARY OF EVIDENCE: Added: Information related to revefenacin ANALYSIS OF EVIDENCE: Added: Information related to revefenacin HCPCS CODES: Added: J7677 to Group 3 Codes in the HCPCS code table CODING INFORMATION: Removed: Field titled “Bill Type” Removed: Field titled “Revenue Codes” Removed: Field titled “ICD-10 Codes that Support Medical Necessity” Removed: Field titled “ICD-10 Codes that DO NOT Support Medical Necessity” Removed: Field titled “Additional ICD-10 Information” GENERAL DOCUMENTATION REQUIREMENTS: Revised: Prescriptions (orders) to SWO BIBLIOGRAPHY: Added: Section related to revefenacin RELATED LOCAL COVERAGE DOCUMENTS: Added: Response to Comments (A58035)
R7 · 2019-01-01 · v24
Revision Effective Date: 01/01/2019 COVERAGE INDICATIONS, LIMITATIONS, AND/OR MEDICAL NECESSITY: Removed: Statements to refer to diagnosis code section below Added: Refer to Covered ICD-10 Codes in the LCD-related Policy Article ICD-10 CODES THAT SUPPORT MEDICAL NECESSITY: Moved: All diagnosis codes to the LCD-related Policy Article diagnosis code section per CMS instruction ICD-10 CODES THAT DO NOT SUPPORT MEDICAL NECESSITY: Moved: Statements about noncovered diagnosis codes moved to LCD-related Policy Article noncovered diagnosis code section per CMS instruction
R6 · 2017-10-01 · v20
Revision Effective Date: 10/01/2017 Coverage Indications, Limitations and/or Medical Necessity: Update: References to ICD-10 Codes that Support Medical Necessity ICD-10 CODES THAT SUPPORT MEDICAL NECESSITY: Added: New ICD-10 codes to Groups 11, 12, 13 Deleted: Non-valid ICD-10 codes from Group 11, 12, 13 Revised: ICD-10 code descriptions in Groups 2, 3, 7, 12, 13 POLICY SPECIFIC DOCUMENTATION REQUIREMENTS: Update: Language to add “justify”, for Medicare reimbursement 10/26/2017: At this time 21st Century Cures Act will apply to new and revised LCDs that restrict coverage which requires comment and notice. This revision is not a restriction to the coverage determination; and, therefore not all the fields included on the LCD are applicable as noted in this policy.
R5 · 2017-01-01 · v14
Revision Effective Date: 01/01/2017 Removed: Standard Documentation Language Added: New reference language and Directions to Standard Documentation Requirements Added: General Requirements Revised: Refill Requirements Revised: Drug Wastage verbiage DOCUMENTATION REQUIREMENTS: Removed: Standard Documentation Language Added: General Documentation Requirements Added: New reference language and Directions to Standard Documentation Requirements POLICY SPECIFIC DOCUMENTATION REQUIREMENTS: Removed: Standard Documentation Language Added: Directions to Standard Documentation Requirements Removed: Information from Miscellaneous Removed: PIM reference from Appendices RELATED LOCAL COVERAGE DOCUMENTS: Added: LCD-related Standard Documentation Requirements article
R4 · 2016-07-01 · v11
Revision Effective Date: 07/01/2016 COVERAGE INDICATIONS, INDICATIONS, LIMITATIONS AND/OR MEDICAL NECESSITY: Revised: Standard documentation language - ACA requirements – Effective 04/28/16 Added: A7007 and A7017 related accessories table for E0572 Added: Denial verbiage for JW Modifier when coverage criteria not met - Effective 01/01/17 HCPCS MODIFIERS: Added: JW Modifier – Effective January 1, 2017 DOCUMENTATION REQUIREMENTS: Revised: Standard documentation language for orders and ACA requirements, added New order requirements, and Correct coding instructions; revised Refill requirements to change "should" to "must", revised Proof of delivery instructions – Effective 04/28/16 Added: JW Modifier instructions – Effective January 1, 2017
R3 · 2016-07-01 · v9
Effective July 1, 2016 oversight for DME MAC LCDs is the responsibility of CGS Administrators, LLC 18003 and 17013 and Noridian Healthcare Solutions, LLC 19003 and 16013. No other changes have been made to the LCDs.
R2 · 2016-01-01 · v6
Revision Effective Date: 01/01/2016 COVERAGE INDICATIONS, INDICATIONS, LIMITATIONS AND/OR MEDICAL NECESSITY: Deleted: HCPCS Code A7011 from Accessories tables HCPCS CODES: Deleted: HCPCS Code A7011 Added: HCPCS Code J7999 ICD-10 CODES THAT SUPPORT MEDICAL NECESSITY: Group 5 Codes: Deleted: Code A7011 from the List of HCPCS codes Group 7 Codes: Added: ICD-10 Code E84.0 to Group 7 for J7608 DOCUMENTATION REQUIREMENTS: Revised: Standard Documentation language to remove start date verbiage from Prescription Requirements (Effective 11/05/2015) MISCELLANEOUS: Deleted: Duplicative information about what is required on orders Updated: HCPCS Code Q9977 cross-walked to J7999 Added: Standard product identification requirements for NOC codes
R1 · 2015-10-01 · v4
Revision Effective Date: 10/31/2014 COVERAGE INDICATIONS, LIMITATIONS AND/OR MEDICAL NECESSITY: Revised: Standard Documentation Language to add covered prior to a beneficiary’s Medicare eligibility DOCUMENTATION REQUIREMENTS: Revised: Standard Documentation Language to add who can enter date of delivery date on the POD Added: Instructions for Equipment Retained from a Prior Payer Revised: Repair to beneficiary-owned DMEPOS MISCELLANEOUS: Added: Instructions for HCPCS code Q9977 - Effective 07/01/2015
Receipts for auditors
Version 58 of LCD L33370, shown on this page: in force by CMS's dates 2026-02-01 onward. Archived 2026-09-26. CMS's copy · Our archived file. 13 of 13 sections are proven word-identical to the archived file.
Every archived version of LCD L33370 (15 versions, CMS's dates, window by the as-of rule). The Article rows are the Article versions in force on the start dates of these LCD versions.
| Document | Version | In force | Archived on | Verify |
|---|---|---|---|---|
| LCD L33370 | version 2 | 2015-10-01, superseded same day | 2026-09-26 | CMS's copy · Our archived file |
| LCD L33370 | version 4 | 2015-10-01 to 2015-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| LCD L33370 | version 6 | 2016-01-01 to 2016-06-30 | 2026-09-26 | CMS's copy · Our archived file |
| LCD L33370 | version 9 | 2016-07-01, superseded same day | 2026-09-26 | CMS's copy · Our archived file |
| LCD L33370 | version 11 | 2016-07-01 to 2016-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| LCD L33370 | version 14 | 2017-01-01 to 2017-09-30 | 2026-09-26 | CMS's copy · Our archived file |
| LCD L33370 | version 20 | 2017-10-01 to 2018-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| LCD L33370 | version 24 | 2019-01-01 to 2020-05-16 | 2026-09-26 | CMS's copy · Our archived file |
| LCD L33370 | version 30 | 2020-05-17 to 2022-06-04 | 2026-09-26 | CMS's copy · Our archived file |
| LCD L33370 | version 37 | 2022-06-05 to 2022-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| LCD L33370 | version 42 | 2023-01-01, superseded same day | 2026-09-26 | CMS's copy · Our archived file |
| LCD L33370 | version 45 | 2023-01-01 to 2023-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| LCD L33370 | version 49 no generated page | 2024-01-01 to 2026-01-31 | 2026-10-09 | CMS's copy · Our archived file |
| LCD L33370 | version 55 no generated page | 2026-02-01, superseded same day | 2026-10-09 | CMS's copy · Our archived file |
| LCD L33370 | version 58 shown | 2026-02-01 to today | 2026-09-26 | CMS's copy · Our archived file |
| Article A52466 | version 4 | 2015-10-01 to 2015-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| Article A52466 | version 6 | 2016-01-01 to 2016-06-30 | 2026-09-26 | CMS's copy · Our archived file |
| Article A52466 | version 9 | 2016-07-01 to 2016-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| Article A52466 | version 18 | 2017-01-01 to 2018-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| Article A52466 | version 24 | 2019-01-01 to 2020-05-16 | 2026-09-26 | CMS's copy · Our archived file |
| Article A52466 | version 43 | 2020-05-17 to 2022-06-04 | 2026-09-26 | CMS's copy · Our archived file |
| Article A52466 | version 47 | 2022-06-05 to 2022-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| Article A52466 | version 53 | 2023-01-01 to 2023-09-30 | 2026-09-26 | CMS's copy · Our archived file |
| Article A52466 | version 69 | 2024-01-01 to 2024-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| Article A52466 | version 87 | 2026-02-01 to today | 2026-09-26 | CMS's copy · Our archived file |
| Article A55426 | version 12 | 2017-01-01 to 2017-04-19 | 2026-09-26 | CMS's copy · Our archived file |
| Article A55426 | version 26 | 2017-06-01 to 2017-11-19 | 2026-09-26 | CMS's copy · Our archived file |
| Article A55426 | version 62 | 2019-01-01 to 2019-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| Article A55426 | version 91 | 2020-04-06 to 2022-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| Article A55426 | version 103 | 2023-01-01 to 2023-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| Article A55426 | version 132 | 2024-01-01 to today | 2026-09-26 | CMS's copy · Our archived file |
Each archived file's page gives its sha256 fingerprint. A copy of the file hashes to the same value, byte for byte.
CMS's live page shows only the current version. To check a passage by eye, open CMS's copy of the same version number. A version's window ends on the earlier of CMS's stated end date and the day before the next version starts.
Every policy word on this page is CMS's, from the archived version named beside it. Verzi adds labels, highlights, citations and links only. Verzi-written summary content on this page: none.
Governing policies, as CMS lists them:
- LCD L33370 · Nebulizers
CMS lists G0333 in group 3 of version 58. CMS's description, quoted: “PHARMACY DISPENSING FEE FOR INHALATION DRUG(S); INITIAL 30-DAY SUPPLY AS A BENEFICIARY”.
Related Articles, as CMS lists them: Article A52466 · Article A55426 · Article A60378 - LCD L40269 (on CMS's site; not in the Verzi KB yet)
CMS lists G0333 in group 3 of version 12. CMS's description, quoted: “PHARMACY DISPENSING FEE FOR INHALATION DRUG(S); INITIAL 30-DAY SUPPLY AS A BENEFICIARY”.
From CMS's LCD code table. HCPCS Level II codes only.
source
CMS's LCD code table in the Medicare Coverage Database download, archived 2026-10-09: Our archived file.
Watch G0333
One email when any policy cited for G0333 changes or gains a future effective date. Nothing else, ever.