Every policy word on this page is CMS's own. Verzi adds pins, receipts, and links only.
DRAFT - Tumor Treatment Field Therapy
LCD L34823 · CMS's HCPCS descriptor for E0766: Electrical stimulation device used for cancer treatment, includes all accessories, any type.
Not on CMS's Required Prior Authorization List for DMEPOS on 2026-10-13. source
LCD L34823 · 8 versions, 2015 to today · last changed 2020-01-01 (R8)
Version 2 of LCD L34823: in force by CMS's dates 2015-10-01 to 2015-09-30. The policy text on this page comes from this archived version. On its start date, 2015-10-01, the companion Article in force was Article A52711 version 6. Verzi cannot say which version of Article A56688 was in force on that date.
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.
Sections in this version: Coverage Indications, Limitations, and/or Medical Necessity · Coding Information · Associated Information · Sources of Information and Basis for Decision. Plus 4 sections marked N/A in this version.
Full verbatim text serves to customers · Customer? Log in
Version history, LCD L34823
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 Versions superseded the same day they took effect never governed a claim, so the page hides them until you ask.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, 7 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.
R8 · 2020-01-01 · v27
Revision Effective Date: 01/01/2020 COVERAGE INDICATIONS, LIMITATIONS AND/OR MEDICAL NECESSITY: Revised: “face-to-face” to “in-person”, where applicable Revised: Order information as a result of Final Rule 1713 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” DOCUMENTATION REQUIREMENTS: Revised: “physician’s” to “ treating practitioner’s” GENERAL DOCUMENTATION REQUIREMENTS: Revised: Prescriptions (orders) to SWO 02/27/2020: 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.
R7 · 2019-09-01 · v23
Revision Effective Date: 09/01/2019 COVERAGE INDICATIONS, LIMITATIONS, AND/OR MEDICAL NECESSITY: Added: Criteria for Initial Coverage for Newly Diagnosed Glioblastoma Multiforme Added: Criteria for Continued Coverage for Newly Diagnosed GBM Beyond the First Three Months of Therapy Added: Coverage statement for Recurrent GBM Added: Coverage statement for Other Uses Added: Beneficiaries Entering Medicare FFS requirements SUMMARY OF EVIDENCE: Added: Summary of evidence reviewed ANALYSIS OF EVIDENCE (RATIONALE FOR DETERMINATION): Added: Background, CAC and key question information, and Conclusion HCPCS CODES: Added: HCPCS Modifiers GA, GZ, KF, and KX SOURCES OF INFORMATION: Added: References to sources of information BIBLIOGRAPHY: Added: Bibliography information RELATED LOCAL COVERAGE DOCUMENTS: Added: Response to Comments: Tumor Treatment Field Therapy (TTFT) – DL34823
R5 · 2017-01-01 · v14
Revision Effective Date: 01/01/2017 COVERAGE INDICATIONS, INDICATIONS, LIMITATIONS AND/OR MEDICAL NECESSITY: Added: New reference language and directions to Standard Documentation Requirements Added: General Requirements DOCUMENTATION REQUIREMENTS: Added: General Documentation Requirements Added: New reference language and directions to Standard Documentation Requirements POLICY SPECIFIC DOCUMENTATION REQUIREMENTS: Added: Direction to Standard Documentation Requirements Removed: PIM reference from Appendices SOURCES OF INFORMATION AND BASIS FOR DECISION: Removed: Sources of Information RELATED LOCAL COVERAGE DOCUMENTS: Added: LCD-related Standard Documentation Requirements article
R4 · 2016-07-01 · v12
Revision Effective Date: 07/01/2016 Links for Sources of Information and Basis for Decision updated.
R3 · 2016-07-01 · v10
Revision Effective Date: 07/01/2016 Links for Sources of Information and Basis for Decision updated.
R2 · 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.
R1 · 2015-10-01 · v6
Draft promoted to final.
Receipts for auditors
Version 2 of LCD L34823, shown on this page: in force by CMS's dates 2015-10-01 to 2015-09-30. 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 L34823 (8 versions, CMS's dates, window by the as-of rule).
| Document | Version | In force | Archived on | Verify |
|---|---|---|---|---|
| LCD L34823 | version 2 shown | 2015-10-01, superseded same day | 2026-09-26 | CMS's copy · Our archived file |
| LCD L34823 | version 6 | 2015-10-01 to 2016-06-30 | 2026-09-26 | CMS's copy · Our archived file |
| LCD L34823 | version 9 | 2016-07-01, superseded same day | 2026-09-26 | CMS's copy · Our archived file |
| LCD L34823 | version 10 | 2016-07-01, superseded same day | 2026-09-26 | CMS's copy · Our archived file |
| LCD L34823 | version 12 | 2016-07-01 to 2016-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| LCD L34823 | version 14 | 2017-01-01 to 2019-08-31 | 2026-09-26 | CMS's copy · Our archived file |
| LCD L34823 | version 23 | 2019-09-01 to 2019-12-31 | 2026-09-26 | CMS's copy · Our archived file |
| LCD L34823 | version 27 | 2020-01-01 to today | 2026-09-26 | CMS's copy · Our archived file |
The related Articles each have their own receipts: Article A52711 · Article A55426 · Article A56688.
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 L34823 · Tumor Treatment Field Therapy (TTFT)
CMS lists E0766 in group 1 of version 27. CMS's description, quoted: “ELECTRICAL STIMULATION DEVICE USED FOR CANCER TREATMENT, INCLUDES ALL ACCESSORIES, ANY TYPE”.
Related Articles, as CMS lists them: Article A52711 · Article A55426 · Article A56688
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 E0766
One email when any policy cited for E0766 changes or gains a future effective date. Nothing else, ever.