K1004 Lo freq us diathermy deviceLow frequency ultrasonic diathermy treatment device for home use
23 of 26 payer prior-auth lists that name K1004 require prior authorization or set conditions: Molina Complete Care (Virginia), Molina Healthcare of Arizona, Molina Healthcare of California, Molina Healthcare of Florida, Molina Healthcare of Idaho, Molina Healthcare of Iowa, Molina Healthcare of Michigan, Molina Healthcare of Mississippi, Molina Healthcare of Nevada, Molina Healthcare of New Mexico, Molina Healthcare of Ohio, Molina Healthcare of South Carolina, Molina Healthcare of Texas, Molina Healthcare of Utah, Molina Healthcare of Washington, Molina Healthcare of Wisconsin, Molina Healthcare, Inc. (national grid).
| Payer | Plan | State | Prior auth | Conditions | Since | Source |
|---|---|---|---|---|---|---|
| Molina Complete Care (Virginia) | Medicare-only PA matrix for D-SNP | VA | prior auth required | Jan 1, 2022 | Medicare Prior Auth (PA) Code Matrix (Virginia), effective Q1 2022 | |
| Molina Complete Care (Virginia) | Medicaid | VA | prior auth required | Apr 1, 2025 | Virginia Medicaid PA Code Matrix and Virginia code/benefit exceptions, effective Q2 2025 | |
| Molina Healthcare of Arizona | Medicare-only PA matrix for D-SNP | AZ | prior auth required | Jan 1, 2022 | Medicare Prior Auth (PA) Code Matrix (Arizona), effective Q1 2022 | |
| Molina Healthcare of California | Medicare Advantage | CA | prior auth required | Jul 1, 2021 | Medicare Prior Auth (PA) Code Matrix (California), effective Q3 2021 | |
| Molina Healthcare of Florida | Medicare Advantage | FL | prior auth required | Apr 1, 2021 | Medicare Prior Auth (PA) Code Matrix (Florida), effective Q2 2021 | |
| Molina Healthcare of Idaho | Medicare Advantage | ID | prior auth required | Apr 1, 2021 | Medicare Prior Auth (PA) Code Matrix (Idaho), effective Q2 2021 | |
| Molina Healthcare of Idaho | Medicaid | ID | prior auth required | Jan 1, 2025 | Idaho Medicaid Prior Auth (PA) Code Matrix and Idaho code/benefit exceptions, Q1 2025 | |
| Molina Healthcare of Iowa | Medicaid | IA | prior auth required | Jul 1, 2023 | IA Prior Authorization Matrix, effective Q3 2023 | |
| Molina Healthcare of Michigan | Exchange | MI | prior auth required | Jul 1, 2021 | Molina Healthcare of Michigan PA Matrix, effective 7/1/2021 | |
| Molina Healthcare of Mississippi | Medicaid | MS | prior auth required | Jan 1, 2025 | Mississippi Medicaid Prior Auth (PA) Code Matrix and exceptions, effective Q1 2025 | |
| Molina Healthcare of Nevada | Medicaid | NV | prior auth required | Oct 1, 2022 | Medicaid Prior Auth (PA) Code Matrix, effective Q4 2022 | |
| Molina Healthcare of New Mexico | Medicare Advantage | NM | prior auth required | Jan 1, 2021 | Medicare Prior Auth (PA) Code Matrix (New Mexico), effective Q1 2021 | |
| Molina Healthcare of Ohio | Medicaid and MyCare Ohio (MMP) Medicaid | OH | prior auth required | Oct 1, 2023 | Molina Healthcare of Ohio Prior Authorization (PA) Code List, effective 2023-10-01 | |
| Molina Healthcare of Ohio | Medicare and MyCare Ohio (MMP) Medicare | OH | prior auth required | Oct 1, 2023 | Molina Healthcare of Ohio Prior Authorization (PA) Code List, effective 2023-10-01 | |
| Molina Healthcare of Ohio | Exchange | OH | prior auth required | Oct 1, 2023 | Molina Healthcare of Ohio Prior Authorization (PA) Code List, effective 2023-10-01 | |
| Molina Healthcare of South Carolina | Medicare Advantage | SC | prior auth required | Apr 1, 2021 | Medicare Prior Auth (PA) Code Matrix (South Carolina), effective Q2 2021 | |
| Molina Healthcare of Texas | STAR | TX | prior auth required | Feb 19, 2025 | Molina Healthcare of Texas Prior Authorization Annual Review Report (STAR), reviewed 2025-02-19 | |
| Molina Healthcare of Texas | STAR+PLUS | TX | prior auth required | Feb 19, 2025 | Molina Healthcare of Texas Prior Authorization Annual Review Report (STAR+PLUS), reviewed 2025-02-19 | |
| Molina Healthcare of Utah | Medicaid | UT | prior auth required | Jan 1, 2025 | Utah Medicaid Prior Auth (PA) Code Matrix and Utah code/benefit exceptions, Q1 2025 | |
| Molina Healthcare of Utah | Medicare Advantage | UT | prior auth required | Apr 1, 2021 | Medicare Prior Auth (PA) Code Matrix (Utah), effective Q2 2021 | |
| Molina Healthcare of Washington | Medicare Advantage | WA | prior auth required | Apr 1, 2021 | Medicare Prior Auth (PA) Code Matrix (Washington), effective Q2 2021 | |
| Molina Healthcare of Wisconsin | Medicare Advantage | WI | prior auth required | Oct 1, 2021 | Medicare Prior Auth (PA) Code Matrix (Wisconsin), effective Q4 2021 | |
| Molina Healthcare, Inc. (national grid) | Molina national (MHI) Medicare grid | All | prior auth required | Oct 1, 2021 | Medicare Prior Auth (PA) Code Matrix (national), effective Q4 2021 |
K1004 appears in 9 coverage policies from Aetna, Blue Cross & Blue Shield of Mississippi, Blue Cross & Blue Shield of Rhode Island, Blue Shield of California, Health Care Service Corporation (BCBS IL, TX, OK, NM, MT), Premera Blue Cross.
| Payer | Policy | Role in policy | Reviewed | Document |
|---|---|---|---|---|
| Aetna | Back Pain - Noninvasive Treatments (0232) | not covered | Apr 23, 2026 | payer document |
| Aetna | Heating Devices (0540) | not covered | Jul 31, 2026 | payer document |
| Aetna | Knee Arthroscopy / Osteoarthritis of the Knee (0673) | not covered | Feb 19, 2026 | payer document |
| Blue Cross & Blue Shield of Mississippi | Electrical And Electromagnetic Stimulation For The Treatment Of Arthritis | unproven / investigational | payer document | |
| Blue Cross & Blue Shield of Mississippi | Stationary Ultrasonic Diathermy Devices (A.7.01.174) | unproven / investigational | payer document | |
| Blue Cross & Blue Shield of Rhode Island | Stationary Ultrasonic Diathermy Devices | not covered | Mar 18, 2026 | payer document |
| Blue Shield of California | | Stationary Ultrasonic Diathermy Devices (7.01.174) | listed, no stance | payer document | |
| Health Care Service Corporation (BCBS IL, TX, OK, NM, MT) | Stationary Ultrasonic Diathermy Devices (THE801.039) | listed, no stance | Jun 15, 2026 | payer document |
| Premera Blue Cross | Stationary Ultrasonic Diathermy Devices (7.01.174) | listed, no stance | Mar 9, 2026 | payer document |
Prior authorization required or conditional in IN, OH.
From payers' published prior-auth lists, coverage policies and state Medicaid fee schedules, updated Oct 16, 2026. The role is what the policy's own code table or text says about the code. Not a guarantee of coverage or payment; verify with the payer. CPT® is a registered trademark of the American Medical Association.