31599 CPT® code: payer coverage and prior authorization55 of 56 payer prior-auth lists that name 31599 require prior authorization or set conditions: Blue Cross Blue Shield of Arizona (AZ Blue), Blue Shield of California, Blue Shield of California Promise Health Plan, Cigna, HealthSpring, Humana, 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 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, and others.
| Payer | Plan | State | Prior auth | Conditions | Since | Source |
|---|---|---|---|---|---|---|
| Blue Cross Blue Shield of Arizona (AZ Blue) | Federal Employee Program (FEP) | AZ | prior auth under conditions | Only gender dysphoria dx, members in treatment as of 1/1/26 | Sep 1, 2026 | Federal Employee Program (FEP) Prior Authorization Requirements Code List (Updated 09/01/2026) |
| Blue Shield of California | Blue Shield Medicare | CA | prior auth required | Sep 1, 2026 | Prior Authorization List for Blue Shield Medicare | |
| Blue Shield of California | Blue Shield commercial | CA | prior auth required | Sep 1, 2026 | Prior Authorization List for Blue Shield | |
| Blue Shield of California | Blue Shield commercial | CA | prior auth required | Sep 1, 2026 | Prior Authorization List for Blue Shield | |
| Blue Shield of California Promise Health Plan | Promise Health Plan Medi-Cal | CA | prior auth required | Sep 1, 2026 | Medi-Cal Prior Authorization List | |
| Cigna | ACA/IFP | All | prior auth required | May be delegated to eviCore for some clients | Oct 1, 2006 | Master Precertification List (For Health Care Providers) |
| Cigna | Basic Standard | All | prior auth required | May be delegated to eviCore for some clients | Oct 1, 2006 | Master Precertification List (For Health Care Providers) |
| Cigna | Complete/PHS+/Preferred | All | prior auth required | May be delegated to eviCore for some clients | Oct 1, 2006 | Master Precertification List (For Health Care Providers) |
| Cigna | Other Services | All | prior auth required | Mar 7, 2026 | Cigna Commercial Prior Authorization Procedure Code List: Other Services | |
| Cigna | Other Services | All | prior auth required | Mar 7, 2026 | Cigna Commercial Comprehensive CPT Code Reference for Prior Authorization Across All Programs | |
| HealthSpring | Medicare Advantage | All | prior auth required | Jan 1, 2025 | 2026 Q4 Prior Authorization List | |
| Humana | Humana Healthy Horizons | LA | prior auth required | Jan 1, 2027 | Humana Healthy Horizons in Louisiana Prior Authorization and Notification List To Except where noted via links on the following pages, prior authorization requests for medical services may be initiate | |
| Humana | Humana Healthy Horizons | OH | prior auth required | Jan 1, 2027 | 555201OH0924-B OHHMZG2EN Humana Healthy Horizons® in Ohio Prior Authorization Notification List (PAL) The following preauthorization and notification list | |
| Humana | Oak Street Health | All | prior auth required | Oak Street Health (Humana): Prior Authorization List (PAL) Codes Under Management | ||
| 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 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 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 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 | Exchange | TX | prior auth required | Sep 1, 2019 | Marketplace Prior Authorization (PA) Code Matrix (Texas), effective July 1, 2026 | |
| 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 | |
| Neighborhood Health Partnership | Neighborhood Health Partnership | FL | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9, Z87.890 | Sep 1, 2026 | Prior authorization requirements for Neighborhood Health Partnership Effective September 1, 2026 |
| Oxford Health Plans | Oxford Health Plans | All | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9, Z87.8901 | Oct 1, 2026 | Prior Authorization Requirements for Oxford Effective October 1, 2026 |
| Oxford Health Plans | Oxford Health Plans | All | prior auth required | Oct 1, 2026 | Prior Authorization Requirements for Oxford Effective October 1, 2026 | |
| Rocky Mountain Health Plans | Rocky Mountain Medicare Advantage D-SNP | CO | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9, Z87.890 | Feb 1, 2025 | Rocky Mountain Health Plans Medicare Advantage Dual-Special Needs Plans – prior authorization Effective February 1, 2025 |
| Surest | Surest health plans | All | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9, Z87.8901 | Oct 1, 2026 | Prior Authorization Requirements for Surest Effective October 1, 2026 |
| UnitedHealthcare | Preferred Care Network and Preferred Care Partners of Florida | FL | prior auth under conditions | only with dx F64.A, F64.0, F64.1, F64.2, F64.8, F64.9 | Oct 1, 2026 | Prior authorization requirements for Preferred Care Network and Preferred Care Partners of Florida Effective October 1, 2026 |
| UnitedHealthcare | UnitedHealthcare Commercial | All | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9 | Oct 1, 2026 | Prior authorization requirements for UnitedHealthcare commercial plans Effective October 1, 2026 |
| UnitedHealthcare | UnitedHealthcare Complete (Individual & Family plans) | All | prior auth required | Sep 1, 2026 | Prior authorization requirements for UnitedHealthcare Complete Effective September 1, 2026 | |
| UnitedHealthcare | UnitedHealthcare Individual Exchange plans | All | prior auth required | Oct 1, 2026 | Prior authorization requirements for UnitedHealthcare Individual Exchange plans Effective October 1, 2026 | |
| UnitedHealthcare | UnitedHealthcare Medicare Advantage, Peoples Health and Dual Complete (D-SNP) | All | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9, F64.A | Oct 1, 2026 | UnitedHealthcare® Medicare Advantage/ Peoples Health Plans prior authorization requirements Effective October 1, 2026 |
| UnitedHealthcare | UnitedHealthcare Mid-Atlantic Health Plans | All | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9, Z87.8901 | Oct 1, 2026 | Prior authorization requirements for UnitedHealthcare Mid-Atlantic Health Plans Effective October 1, 2026 |
| UnitedHealthcare | UnitedHealthcare West commercial plans | All | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9, Z87.8901 | Oct 1, 2026 | Prior authorization requirements for UnitedHealthcare West commercial plans Effective October 1, 2026 |
| UnitedHealthcare | UnitedHealthcare of the River Valley | All | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9, Z87.8901 | Oct 1, 2026 | Prior authorization requirements for UnitedHealthcare of the River Valley Effective October 1, 2026 |
| UnitedHealthcare Community Plan | Maryland HealthChoice | MD | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9, Z87.890 | Sep 1, 2026 | Prior authorization requirements for UnitedHealthcare Community Plan of Maryland Effective September 1, 2026 |
| UnitedHealthcare Community Plan | Massachusetts OneCare | MA | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9, Z87.890 | Nov 1, 2025 | Prior authorization requirements for Massachusetts OneCare Effective November 1, 2025 |
| UnitedHealthcare Community Plan | Massachusetts Senior Care Options (SCO) | MA | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9, Z87.890 | Nov 1, 2025 | CPT® is a registered trademark of the American Medical Association. Prior authorization requirements for Massachusetts Senior Care Options Effective November 1, 2025 |
| UnitedHealthcare Community Plan | Massachusetts Senior Care Options (SCO) and OneCare | MA | prior auth required | Oct 1, 2026 | Prior authorization requirements for Massachusetts MA SCO OneCare Effective October 1, 2026 | |
| UnitedHealthcare Community Plan | North Carolina Medicaid | NC | prior auth required | Oct 1, 2026 | Prior authorization requirements for UnitedHealthcare Community Plan of North Carolina Effective October 1, 2026 July 1, 2024 | |
| UnitedHealthcare Community Plan | Pennsylvania CHIP | PA | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9, Z87.890 | Jul 1, 2026 | Prior authorization requirements for UnitedHealthcare Community Plan of Pennsylvania CHIP Effective July 1, 2026 |
| UnitedHealthcare Community Plan | Pennsylvania Medicaid | PA | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9, Z87.890 | Jul 1, 2026 | Prior authorization requirements for UnitedHealthcare Community Plan of Pennsylvania Effective July 1, 2026 |
| UnitedHealthcare Community Plan | UnitedHealthcare Connected (Texas MMP) | TX | prior auth under conditions | Prior authorization is only required for these codes with these DX codes. | Jan 1, 2017 | Prior authorization requirements for UnitedHealthcare Connected (Medicare-Medicaid Plan) Texas Effective November 1, 2025 This list contains prior authorization review requirements for participating U |
| UnitedHealthcare Community Plan | Virginia Cardinal Care LTSS | VA | prior auth required | Oct 1, 2026 | Prior authorization requirements for Virginia Cardinal Care LTSS Effective October 1, 2026 | |
| UnitedHealthcare Community Plan | Virginia Cardinal Care Medicaid | VA | prior auth under conditions | only with dx F64.0, F64.1, F64.2, F64.8, F64.9, Z87.890 | Oct 1, 2026 | Prior authorization requirements for Virginia Cardinal Care Effective October 1, 2026 |
31599 appears in 21 coverage policies from Aetna, Blue Cross & Blue Shield of Rhode Island, Blue Cross Blue Shield of Massachusetts, Blue Cross NC, Blue Shield of California, Capital Blue Cross, Centene, Cigna, Premera Blue Cross, Regence, UnitedHealthcare.
| Payer | Policy | Role in policy | Reviewed | Document |
|---|---|---|---|---|
| Aetna | Gender Affirming Surgery (0615) | not covered | Sep 8, 2026 | payer document |
| Blue Cross & Blue Shield of Rhode Island | Gender Affirming Care MEDICAL COVERAGE POLICY | 5 | covered if criteria are met | Apr 1, 2026 | payer document |
| Blue Cross Blue Shield of Massachusetts | Gender Affirming Services (Transgender Services) (189) | covered if criteria are met | payer document | |
| Blue Cross NC | Professional Pathology Billing Requirements AHS – R2169 | listed, no stance (range 3011F-3210F) | Mar 1, 2024 | payer document |
| Blue Shield of California | BSC7.02 | Gender Affirmation Surgery | listed, no stance | payer document | |
| Blue Shield of California | BSC7.08 | Cosmetic and Reconstructive Procedures | listed, no stance | payer document | |
| Capital Blue Cross | Gender Affirming Surgery (MP 1.144) Procedure codes | covered if criteria are met | Apr 1, 2026 | payer document |
| Centene | Gender-Affirming Procedures (CP.MP.95) | covered if criteria are met | Jul 1, 2026 | payer document |
| Cigna | Gender Dysphoria Treatment (0266) | not covered | Sep 15, 2026 | payer document |
| Premera Blue Cross | Gender Transition/Affirmation Surgery and Related Services (7.01.557) Page | 31 of 59 | ∞ | listed, no stance | Jul 1, 2026 | payer document |
| Regence | Gender Affirming Interventions for Gender Dysphoria (Medicine 153) NOTES | listed, no stance | Nov 1, 2025 | payer document |
| UnitedHealthcare | Gender Dysphoria Treatment (CS145.T) | listed, no stance | Jul 1, 2026 | payer document |
| UnitedHealthcare | Gender Dysphoria Treatment (2026T0580U) | listed, no stance | Jul 1, 2026 | payer document |
| UnitedHealthcare | Gender Dysphoria Treatment (for Indiana Only) (CS145IN.11) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Gender Dysphoria Treatment (for Kansas Only) (CS145KS.02) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Gender Dysphoria Treatment (for New Jersey Only) (CS145NJ.L) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Gender Dysphoria Treatment (for New Mexico Only) (CS145NM.D) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Gender Dysphoria Treatment (for North Carolina Only) (CSNCT0145.04) | listed, no stance | Jun 1, 2026 | payer document |
| UnitedHealthcare | Gender Dysphoria Treatment (for Ohio Only) (CS145OH.C) | listed, no stance | Sep 1, 2024 | payer document |
| UnitedHealthcare | Gender Dysphoria Treatment (for Pennsylvania Only) (CS145PA.P) | listed, no stance | May 1, 2026 | payer document |
| UnitedHealthcare | Gender Dysphoria and Gender Reassignment Surgery (MMP365.14) Other Ancillary Services | listed, no stance | Sep 1, 2026 | payer document |
Prior authorization required or conditional in CO, FL, KY, VT, WA, WV, WY.
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.