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A4235

Glucose Monitors

LCD L33822 · CMS's HCPCS descriptor for A4235: Replacement battery, lithium, for use with medically necessary home blood glucose monitor owned by patient, each.

Not on CMS's Required Prior Authorization List for DMEPOS on 2026-10-13. source

LCD L33822 · 17 versions, 2015 to today · last changed 2024-10-01 (R16)

Version 26 of LCD L33822: in force by CMS's dates 2020-01-01 to 2021-07-17. The policy text on this page comes from this archived version. On its start date, 2020-01-01, the companion Articles in force were Article A52464 version 26 and Article A55426 version 72. Verzi cannot say which version of Article A59330 was in force on that date.

DME MAC jurisdictions
JA · Noridian 16013
CT, DE, DC, ME, MD, MA, NH, NJ, NY, PA, RI, VT
JB · CGS 17013
IL, IN, KY, MI, MN, OH, WI
JC · CGS 18003
AL, AR, CO, FL, GA, LA, MS, NM, NC, OK, PR, SC, TN, TX, VI, VA, WV
JD · Noridian 19003
AK, AS, AZ, CA, GU, HI, ID, IA, KS, MO, MT, NE, NV, ND, MP, OR, SD, UT, WA, WY
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.

You are viewing version 26 (2020-01-01 to 2021-07-17). Version 70 is in force today.

Codes CMS lists in this LCD's current version (version 70, 31 codes). CMS's download carries no list for version 26: A4233 A4234 A4235 A4236 A4238 A4239 A4244 A4245 A4246 A4247 A4250 A4253 A4255 A4256 A4257 A4258 A4259 A4271 A9275 A9276 A9277 A9278 A9999 E0607
7 more codes

Sections in this version: CMS National Coverage Policy · Coverage Indications, Limitations, and/or Medical Necessity · Coding Information · Associated Information · Sources of Information. Plus 3 sections marked N/A in this version.

Full verbatim text serves to customers · Customer? Log in

Version history, LCD L33822

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 Versions superseded the same day they took effect never governed a claim, so the page hides them until you ask.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, 16 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.

R16 · 2024-10-01 · v70
Revision Effective Date: 10/01/2024
HCPCS CODES:
Revised: Long descriptor for HCPCS code A4271 in Group 2 Codes


10/17/2024: 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.
R15 · 2024-04-01 · v67
Revision Effective Date: 04/01/2024
HCPCS CODES:
Added: Codes E2104 to Group 1 Codes and A4271 to Group 2 Codes


05/02/2024: 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.
R14 · 2024-01-01 · v64
Revision Effective Date: 01/01/2024
COVERAGE INDICATIONS, LIMITATIONS, AND/OR MEDICAL NECESSITY:
Added: “and document an affirmative response” to language that pertains to contact with the beneficiary or caregiver/designee for DMEPOS products supplied as refills
Revised: “approaching exhaustion” to “expected to end” in regard to existing supplies
Revised: “Contact with the beneficiary or designee regarding refills must take place no sooner than 14 calendar days prior to the delivery/shipping date.” to “Contact with the beneficiary or designee regarding refills must take place no sooner than 30 calendar days prior to the expected end of the current supply.”
Revised: “For delivery of refills, the supplier must deliver the DMEPOS product no sooner than 10 calendar days prior to the end of usage for the current product.” to “For delivery of refills, the supplier must deliver the DMEPOS product no sooner than 10 calendar days prior to the expected end of the current supply.”


12/14/2023: Pursuant to the 21st Century Cures Act, these revisions do not require notice and comment because the revisions are non-discretionary updates to refill requirement information per CMS Final Rule CMS-1780-F.
R13 · 2024-01-01 · v60
Revision Effective Date: 01/01/2024
COVERAGE INDICATIONS, LIMITATIONS, AND/OR MEDICAL NECESSITY:
Added: “or Medicare-approved telehealth” to High Utilization coverage criteria
Removed: One (1) unit of service (UOS) per thirty (30) days regarding billing for supply allowance code A4238 or A4239
Added: Three (3) UOS per ninety (90) days regarding billing for supply allowance code A4238 or A4239 and “Billing more than three (3) UOS per ninety (90) days of code A4238 or A4239 will be denied as not reasonable and necessary.”
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
BIBLIOGRAPHY:
Removed: Bibliography information, due to not being applicable to the non-discretionary changes


11/09/2023: Pursuant to the 21st Century Cures Act, these revisions do not require notice and comment because they are non-discretionary.
R12 · 2023-04-16 · v55
Revision Effective Date: 04/16/2023
COVERAGE INDICATIONS, LIMITATIONS, AND/OR MEDICAL NECESSITY:
Revised: Coverage criteria to separate initial coverage and continued coverage requirements
Removed: “with multiple (three or more) daily administrations of insulin or a continuous subcutaneous insulin infusion (CSII) pump” from CGM coverage criterion pertaining to beneficiary being insulin-treated
Added: “The beneficiary’s treating practitioner has concluded that the beneficiary (or beneficiary’s caregiver) has sufficient training using the CGM prescribed as evidenced by providing a prescription” as a CGM initial coverage criterion
Removed: “The beneficiary is insulin-treated with multiple (three or more) daily administrations of insulin or a continuous subcutaneous insulin infusion (CSII) pump” from CGM coverage criteria
Removed: “The beneficiary’s insulin treatment regimen requires frequent adjustment by the beneficiary on the basis of BGM or CGM testing results” from CGM coverage criteria
Revised: Initial coverage criterion language pertaining to the in-person visit, to clarify that the visit may also be a “Medicare-approved telehealth visit”
Revised: Initial coverage CGM criterion language pertaining to the in-person visit, to change notation of “criteria (1-3) above” to “criteria (1)-(4) above”
Added: Initial coverage CGM criterion pertaining to history of problematic hypoglycemia
Revised: Continued coverage CGM criterion language pertaining to the in-person visit, to clarify that the visit may also be a “Medicare-approved telehealth visit” and that the practitioner must “document” adherence to the CGM regimen and diabetes treatment plan
Removed: “K0554” and “K0553” from reference to a non-adjunctive CGM device and associated supply allowance (respectively)
Added: “E2103” and “A4239” in reference to a non-adjunctive CGM device and associated supply allowance (respectively)
SUMMARY OF EVIDENCE:
Added: Information related to the modified coverage criteria for CGM
ANALYSIS OF EVIDENCE:
Added: Information related to the modified coverage criteria for CGM
BIBLIOGRAPHY:
Added: Section related to the modified coverage criteria for CGM
RELATED LOCAL COVERAGE DOCUMENTS:
Added: Response to Comments (A59330)
R11 · 2023-01-01 · v48
Revision Effective Date: 01/01/2023
CONTINUOUS GLUCOSE MONITORS (CGM):
Removed: Statement regarding general CGM term referring to both therapeutic/non-adjunctive and non-therapeutic/adjunctive
Removed: “therapeutic” and “non-therapeutic”
Removed: HCPCS codes K0554 and K0553
Added: HCPCS codes E2103 and A4239
REFILL REQUIREMENTS:
Removed: HCPCS code K0553
Added: HCPCS code A4239
HCPCS CODES:
Revised: Long descriptor for HCPCS code E2102 in Group 1 Codes
Added: HCPCS code E2103 to Group 1 Codes
Removed: HCPCS code K0554 from Group 1 Codes
Revised: Long descriptor for HCPCS code A4238 in Group 2 Codes
Added: HCPCS codes A4239, A9277, A9276 and A9278 to Group 2 Codes
Removed: HCPCS codes A9279 and K0553 from Group 2 codes


12/29/2022: Pursuant to the 21st Century Cures Act, these revisions do not require notice and comment because they are non-discretionary updates to CMS HCPCS coding determinations.
R10 · 2022-02-28 · v41
Revision Effective Date: 02/28/2022
HCPCS CODES:
Revised: Location of E2102 information, moving the information from Group 1 Paragraph text to Group 1 Codes HCPCS list (code remains effective for dates of service on or after 04/01/2022)
Revised: Location of A4238 information, moving the information from Group 2 Paragraph text to Group 2 Codes HCPCS list (code remains effective for dates of service on or after 04/01/2022)


04/28/2022: Pursuant to the 21st Century Cures Act, these revisions do not require notice and comment because they are non-discretionary updates to CMS HCPCS coding determinations.
R9 · 2022-02-28 · v36
Revision Effective Date: 02/28/2022
CMS NATIONAL COVERAGE POLICY:
Removed: “CMS Ruling 1682R”
COVERAGE INDICATIONS, LIMITATIONS, AND/OR MEDICAL NECESSITY:
Removed: Reference to CMS Ruling 1682R
Added: CGM refers to both therapeutic/nonadjunctive and non-therapeutic/adjunctive CGMs
Added: Language describing “therapeutic,” “non-adjunctive,” “non-therapeutic,” and “adjunctive” terms and term usage
Added: Information regarding classification of CGMs as DME
Revised: Coverage information to include reference to adjunctive CGM (E2102) and related supply allowance (A4238)
Added: Statement referring to External Infusion Pumps LCD for information regarding billing of CGM receiver functionality integrated into external insulin infusion pump
Added: “Adjunctive CGM devices do not replace a standard home BGM”
Added: HCPCS code A4238 does not include a home BGM and related BGM testing supplies
Added: Reference to coding verification review requirement for HCPCS code E2102 (effective July 1, 2022)
Clarified: No more than a 90-day supply of CGM supplies may be dispensed at a time
Revised: “Refill requirements do not apply to code K0553” to “Refill requirements do not apply to code K0553 or A4238”
SUMMARY OF EVIDENCE:
Removed: Summary of evidence information, due to not being applicable to the non-discretionary changes
ANALYSIS OF EVIDENCE:
Removed: Analysis of evidence information, due to not being applicable to the non-discretionary changes
HCPCS CODES:
Added: HCPCS code E2102 to Group 1 Codes (information located in Group 1 Paragraph text) – code effective 04/01/2022
Added: HCPCS code E1399 to Group 1 Codes
Added: HCPCS code A4238 to Group 2 Codes (information located in Group 2 Paragraph text) – code effective 04/01/2022
Added: HCPCS codes A9279 and A9999 to Group 2 Codes
Removed: HCPCS codes A9276, A9277, and A9278 from Group 2 Codes
BIBLIOGRAPHY:
Removed: Bibliography information, due to not being applicable to the non-discretionary changes


03/24/2022: Pursuant to the 21st Century Cures Act, these revisions do not require notice and comment because they are non-discretionary.
R8 · 2021-07-18 · v31
Revision Effective Date: 07/18/2021
COVERAGE INDICATIONS, LIMITATIONS AND/OR MEDICAL NECESSITY:
Removed: Four times or more per day testing with blood glucose monitor as prerequisite for CGM coverage
Revised: “injections” to “administrations” for insulin treatment regimen criterion for CGMs
Removed: “Medicare-covered” from CSII pump criterion language for CGMs
Clarified: Coding verification language for products billed as K0554
SUMMARY OF EVIDENCE:
Added: Information related to glucose testing and insulin administration
Revised: “5” to “1” minutes for measuring of interstitial fluid glucose content by CGM device
ANALYSIS OF EVIDENCE:
Added: Information related to glucose testing and insulin administration
APPENDICES:
Revised: Language of insulin-treated, by removing reference to insulin injections
BIBLIOGRAPHY:
Added: Section related to glucose testing and insulin administration
RELATED LOCAL COVERAGE DOCUMENTS:
Added: Response to Comments (A58798)
R7 · 2020-01-01 · v26
Revision Effective Date: 01/01/2020
COVERAGE INDICATIONS, LIMITATIONS AND/OR MEDICAL NECESSITY:
Removed: Statement to refer to ICD-10 Codes that are Covered section in the LCD-related PA
Added: Statement to refer to ICD-10 code list in the LCD-related Policy Article
Revised: “physician” to “treating practitioner”
Revised: "treating physician" to "treating practitioner"
Revised: “month” to “30 days,” as clarification of billing K0553
Revised: Format of HCPCS code references, from code spans to individually-listed HCPCS
Revised: Order information as a result of Final Rule 1713
 REFILL REQUIREMENTS:
Revised: “ordering physician” to “treating practitioner”
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
APPENDICES:
Revised: “physician” to “practitioner”


02/20/2020: Pursuant to the 21st Century Cures Act , these revisions do not require notice and comment because they are due to non-discretionary coverage updates reflective of CMS FR-1713, HCPCS code changes, and non-substantive corrections (listing individual HCPCS codes instead of a HCPCS code-span).
R6 · 2019-01-01 · v21
Revision Effective Date:01/01/2019
COVERAGE INDICATIONS, LIMITATIONS, AND/OR MEDICAL NECESSITY:
Removed: Statement 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: Statement about noncovered diagnosis codes moved to LCD-related Policy Article noncovered diagnosis code section per CMS instruction
R5 · 2017-01-12 · v17
Revision Effective Date: 01/12/2017
COVERAGE INDICATIONS, LIMITATIONS AND/OR MEDICAL NECESSITY:
CPT/HCPCS Codes:
Revised: Incorporated K0554 into Group 1 Codes and HCPCS code K0553 into Group 2 Codes


04/19/2018: 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.
R4 · 2017-01-12 · v14
Revision Effective Date: 01/12/2017
COVERAGE INDICATIONS, LIMITATIONS AND/OR MEDICAL NECESSITY:
Removed: Standard Documentation Language
Added: New reference language and Directions to Standard Documentation Requirements
Revised: Coverage criteria for home blood glucose monitors
Added: Documentation requirements for home blood glucose monitors
Added: Coverage criteria for continuous glucose monitors and supply allowance
Added: Documentation requirements for continuous glucose monitors
Added: General Requirements
Revised:  Refill requirements
Added: HCPCS codes for therapeutic CGM (K0554) and supply allowance (K0553) out of sequence to allow early publishing of codes and narratives. (For dates of service on or after 07/01/2017)
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: PIM reference under Appendices
RELATED LOCAL COVERAGE DOCUMENTS:
Added: LCD-related Standard Documentation Requirements article
R3 · 2016-10-01 · v10
Revision Effective Date 10/01/2016
COVERAGE INDICATIONS, LIMITATIONS AND/OR MEDICAL NECESSITY:
Revised: Standard Documentation language - ACA order requirements – Effective 04/28/16
ICD-10 CODES THAT SUPPORT MEDICAL NECESSITY:
Added: New ICD-10 codes
Deleted: Non-valid ICD-10
Revised: ICD-10 code descriptions
DOCUMENTATION REQUIREMENTS:
Revised: Standard documentation language for orders, added New order requirements, and Correct coding instructions; revised Proof of delivery instructions – Effective 04/28/16
R2 · 2016-07-01 · v6
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.
R1 · 2015-10-01 · v3
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
Receipts for auditors

Version 26 of LCD L33822, shown on this page: in force by CMS's dates 2020-01-01 to 2021-07-17. Archived 2026-09-26. CMS's copy · Our archived file. 8 of 8 sections are proven word-identical to the archived file.

Every archived version of LCD L33822 (17 versions, CMS's dates, window by the as-of rule).

DocumentVersionIn forceArchived onVerify
LCD L33822version 22015-10-01, superseded same day2026-09-26CMS's copy · Our archived file
LCD L33822version 32015-10-01 to 2016-06-302026-09-26CMS's copy · Our archived file
LCD L33822version 62016-07-01 to 2016-09-302026-09-26CMS's copy · Our archived file
LCD L33822version 102016-10-01 to 2017-01-112026-09-26CMS's copy · Our archived file
LCD L33822version 142017-01-12, superseded same day2026-09-26CMS's copy · Our archived file
LCD L33822version 172017-01-12 to 2018-12-312026-09-26CMS's copy · Our archived file
LCD L33822version 212019-01-01 to 2019-12-312026-09-26CMS's copy · Our archived file
LCD L33822version 26 shown2020-01-01 to 2021-07-172026-09-26CMS's copy · Our archived file
LCD L33822version 312021-07-18 to 2022-02-272026-09-26CMS's copy · Our archived file
LCD L33822version 362022-02-28, superseded same day2026-09-26CMS's copy · Our archived file
LCD L33822version 412022-02-28 to 2022-12-312026-09-26CMS's copy · Our archived file
LCD L33822version 482023-01-01 to 2023-04-152026-09-26CMS's copy · Our archived file
LCD L33822version 552023-04-16 to 2023-12-312026-09-26CMS's copy · Our archived file
LCD L33822version 602024-01-01, superseded same day2026-09-26CMS's copy · Our archived file
LCD L33822version 642024-01-01 to 2024-03-312026-09-26CMS's copy · Our archived file
LCD L33822version 672024-04-01 to 2024-09-302026-09-26CMS's copy · Our archived file
LCD L33822version 702024-10-01 to today2026-09-26CMS's copy · Our archived file

The related Articles each have their own receipts: Article A59330 · Article A52464 · Article A55426.

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 L33822 · Glucose Monitors
    CMS lists A4235 in group 2 of version 70. CMS's description, quoted: “REPLACEMENT BATTERY, LITHIUM, FOR USE WITH MEDICALLY NECESSARY HOME BLOOD GLUCOSE MONITOR OWNED BY PATIENT, EACH”.
    Related Articles, as CMS lists them: Article A59330 · Article A52464 · Article A55426

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 A4235

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