CurrentKaiser PermanentePolicy N/A

Gender-Affirming Surgeries and Related Services — Clinical Review Criteria

Clinical Review Criteria governing coverage and medical necessity for gender-affirming services (surgery, hair removal, voice and facial procedures, body contouring) for Kaiser Permanente of Washington members; includes special rules for Medicare, self-funded groups, and enrollment in Gender Health Case Management.

Policy Summary

PayerKaiser Permanente

PolicyGender-Affirming Surgeries and Related Services — Clinical Review Criteria

Policy CodePolicy N/A

Change TypeNo material changes

Effective DateN/A

Next Review DateN/A

Key ActionObtain prior authorization through the Kaiser Permanente of Washington Gender Health Case Manager for hair removal and initial surgical referrals.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

18Minimum age for body contouring eligibility

12 moMinimum real-life experience

1 letterMental health referral requirement

6–12 moGAHT typical duration

20-30Preferred BMI range

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Coverage Criteria for Gender-Affirming Services

Gender-affirming body contouring - Medical necessity

Gender affirming body contouring may be medically necessary when ALL of the following are met:

ALL of the following

A. Age 18 years or older.
B. Single letter of referral from a qualified mental health professional within the last 18 months; the letter should document: i. Gender incongruence is marked and sustained; ii. Meets diagnostic criteria for gender incongruence prior to gender-affirming surgical intervention in regions where a diagnosis is necessary to access health care; iii. Demonstrates capacity to consent for the specific gender-affirming surgical intervention; iv. Understands the effect of gender-affirming surgical intervention on reproduction and that reproductive options have been explored; v. Other possible causes of apparent gender incongruence have been identified and excluded; vi. Mental health and physical conditions that could negatively impact the outcome of gender-affirming surgical intervention have been assessed, with risks and benefits discussed.
C. Twelve months of living in a gender role that is congruent with their gender identity (real life experience). The patient has undergone social transition or has a documented reason social transition is unnecessary (e.g., nonbinary identity).
D. The request is for gender-affirming body contouring performed by a surgeon with experience in gender health to target areas that affect gender perception for ONE of the following: i. For patients on the transmasculine spectrum: liposuction to the hips and thighs; OR ii. For patients on the transfeminine spectrum: liposuction to the waist, sides and back of the abdomen (flanks), and may include fat grafting to the hips and buttocks.
E. Unless medically contraindicated, the patient has completed at least 12 months of continuous hormone therapy appropriate to the patient’s gender goals to allow stable body fat redistribution to occur.
F. Patient has a stable BMI between 20 and 30, as surgery is most likely to be successful in this BMI range.
G. The request is not to alter or augment the appearance of body areas that are within the normal range for the patient’s gender identity (using implants or fat transfer).
H. The request is not for cosmetic purposes only — the procedure must affirm the patient’s gender identity.
I. The request is not for liposuction to the belly or flanks alone, as this is considered a cosmetic procedure and is not covered.
J. The request is not for any areas that require skin removal. Some procedures that require skin removal are considered cosmetic and are not related to gender identity; examples include abdominoplasty (tummy tuck), brachioplasty (arm lift), and thigh lift.

Procedure and Diagnostic Codes

Members Assigned Male at Birth - example codesmixed

55970	Intersex Surgery; male to female
15830	Excision, excessive skin and subcutaneous tissue (includes lipectomy); abdomen, infraumbilical panniculectomy
F64.0	Transsexualism
F64.1	Dual role transvestism
F64.2	Gender identity disorder of childhood
F64.8	Other gender identity disorders
F64.9	Gender identity disorder, unspecified

Members Assigned Female at Birth - example codesmixed

55980	Intersex Surgery; female to male
F64.0	Transsexualism
F64.1	Dual role transvestism
F64.2	Gender identity disorder of childhood
F64.8	Other gender identity disorders
F64.9	Gender identity disorder, unspecified

Electrolysis and Forehead Procedures — example codesCPT

17380	Electrolysis epilation, each 30 minutes
21137	Reduction forehead; contouring only
21138	Reduction forehead; contouring and application of prosthetic material or bone graft
21139	Reduction forehead; contouring and setback of anterior frontal sinus wall

Brow Lift — example codesCPT

15824	Rhytidectomy; forehead
67900	Repair of brow ptosis (supraciliary, mid-forehead or coronal approach)

Hairline Correction/Scalp Advancement — example codeCPT

15839

Excision, excessive skin and subcutaneous tissue (includes lipectomy); other area

Jaw Contouring — example codesCPT

21299	Unlisted craniofacial and maxillofacial procedure
21209	Osteoplasty, facial bones; reduction

Body Contouring and Fat Grafting — example codesCPT

15771	Grafting of autologous fat harvested by liposuction technique to trunk, breasts, scalp, arms, and/or legs; 50 cc or less injectate
15772	Grafting of autologous fat ... each additional 50 cc injectate
15773	Grafting of autologous fat ... to face, eyelids, mouth, neck, ears, orbits, genitalia, hands, and/or feet; 25 cc or less injectate
15774	Grafting of autologous fat ... each additional 25 cc injectate
15830	Excision, excessive skin and subcutaneous tissue (includes lipectomy); abdomen, infraumbilical panniculectomy
15832	Excision ...; thigh
15833	Excision ...; leg
15834	Excision ...; hip
15835	Excision ...; buttock
15836	Excision ...; arm

1–10 of 18

1/2

Chin Augmentation — example codesCPT

21121	Genioplasty; augmentation / sliding osteotomy, single piece
21122	Genioplasty; sliding osteotomies, 2 or more
21123	Genioplasty; sliding, augmentation with interpositional bone grafts
21296	Reduction of masseter muscle and bone (e.g., for benign masseteric hypertrophy); intraoral approach

Fat Transfer (face/genitalia/others) — example codesCPT

15773	Grafting of autologous fat harvested by liposuction technique to face, eyelids, mouth, neck, ears, orbits, genitalia, hands, and/or feet; 25 cc or less injectate
15774	Grafting of autologous fat harvested by liposuction technique to face, eyelids, mouth, neck, ears, orbits, genitalia, hands, and/or feet; each additional 25 cc injectate, or part thereof

Rhinoplasty — example codesCPT

30400	Rhinoplasty, primary; lateral and alar cartilages and/or elevation of nasal tip
30410	Rhinoplasty, primary; complete, external parts including bony pyramid
30420	Rhinoplasty, primary; including major septal repair
30430	Rhinoplasty, secondary; minor revision
30435	Rhinoplasty, secondary; intermediate revision
30450	Rhinoplasty, secondary; major revision

Fat Transfer — example codesCPT

15773	Grafting of autologous fat harvested by liposuction technique to face, eyelids, mouth, neck, ears, orbits, genitalia, hands, and/or feet; 25 cc or less injectate.
15774	Grafting of autologous fat harvested by liposuction technique to face, eyelids, mouth, neck, ears, orbits, genitalia, hands, and/or feet; each additional 25 cc injectate, or part thereof.

Rhinoplasty — example codes (duplicate grouping)CPT

30400	Rhinoplasty, primary; lateral and alar cartilages and/or elevation of nasal tip.
30410	Rhinoplasty, primary; complete, external parts including bony pyramid, lateral and alar cartilages, and/or elevation of nasal tip.
30420	Rhinoplasty, primary; including major septal repair.
30430	Rhinoplasty, secondary; minor revision (small amount of nasal tip work).
30435	Rhinoplasty, secondary; intermediate revision (bony work with osteotomies).
30450	Rhinoplasty, secondary; major revision (nasal tip work and osteotomies).

Blepharoplasty — example codesCPT

15820	Blepharoplasty, lower eyelid.
15821	Blepharoplasty, lower eyelid; with extensive herniated fat pad.
15822	Blepharoplasty, upper eyelid.
15823	Blepharoplasty, upper eyelid; with excessive skin weighting down lid

Dermal Filler — example codesCPT

11950	Subcutaneous injection of filling material (eg, collagen); 1 cc or less.
11951	Subcutaneous injection of filling material (e.g., collagen); 1.1 to 5.0 cc.
11952	Subcutaneous injection of filling material (e.g., collagen); 5.1 to 10.0 cc.
11954	Subcutaneous injection of filling material (e.g., collagen); over 10.0 cc.

Suction Assisted Lipectomy — example codeCPT

15876

Suction assisted lipectomy; head and neck.

Rhytidectomy / Submental procedures — example codesCPT

15829	Rhytidectomy; superficial musculoaponeurotic system (SMAS) flap.
15838	Excision, excessive skin and subcutaneous tissue (includes lipectomy); submental fat pad.

Voice Modification Surgery — coding noteCPT

31599

Unlisted procedure, larynx (commonly submitted for voice modification surgery).

inv-35: Speaking fundamental frequency (F0) threshold — clinical threshold (150 Hz) used for surgical indication

F0 surgical thresholdSpeaking fundamental frequency (F0) threshold at 150 Hz — surgical indication when voice fails to reach target (e.g., failure to deepen below 150 Hz for masculinizing procedures or inability to maintain >150 Hz for feminizing procedures)

Hormone therapy contextPitch lowering considered after ~1.5 years of consistent masculinizing hormone therapy if speaking F0 remains ≥150 Hz

Voice therapy requirement

Prior Authorization, Documentation, and Provider Requirements

Prior Authorization

Prior authorization and referral submission — PA must be obtained through the Kaiser Permanente of Washington Gender Health Case Manager

Prior authorization (PA) is required for gender-affirming services and must be obtained through the Kaiser Permanente of Washington Gender Health Case Manager. Members must be enrolled in the Kaiser Permanente of Washington Gender Health Case Management Program to qualify for the gender health services benefit. All initial referrals for gender-affirming services (excluding GAHT and/or blockers) must be submitted by the Gender Health Case Management team to be considered in-network. For non-network or out-of-network benefit cases, the out-of-network provider places the referral and requests authorization from the health plan. For surgical referrals for members under age 18, a Kaiser Permanente Care Coordinator and multidisciplinary review are required.

All initial referrals for gender-affirming services (excluding GAHT and/or blockers) must be submitted by the Gender Health Case Management team to be in-network.
Members must be enrolled in the Kaiser Permanente of Washington Gender Health Case Management Program to qualify for the benefit.
Out-of-network providers must place referrals and request authorization directly from the health plan for out-of-network claims.
Surgical referrals for members under 18 require Kaiser Permanente Care Coordinator involvement and multidisciplinary review.

Background and Rationale

These medical necessity criteria follow professional Standards of Care and are intended to determine coverage for gender-affirming treatments, including hair removal, chest and breast procedures, gonadectomy and genital reconstruction, voice modification, facial surgery, and body contouring. Common requirements include age thresholds, a single referral letter from a qualified mental health professional within the last 18 months, documentation of social transition or 12 months real‑life experience where required, and appropriate hormone therapy duration with documentation or documented contraindication.

Definitions and Key Terms

inv-54: Hair removal (electrolysis or laser) — definition and coverage context

DefinitionElectrolysis or laser hair removal performed to align appearance with identified gender; member may receive either or both modalities

Coverage contextCovered for members with documented gender dysphoria when criteria are met; prior authorization must be obtained through the Gender Health Case Manager

ExclusionHair removal is not covered for members using exogenous testosterone (expected hair growth)

inv-55: Genital reconstructive surgery — includes vaginoplasty, phalloplasty, metoidioplasty, scrotoplasty, urethroplasty, prostheses, etc.

Included proceduresGenital reconstructive surgery includes vaginectomy, vaginoplasty, metoidioplasty, phalloplasty, scrotoplasty, urethroplasty, clitoroplasty, labioplasty, penectomy, perineoplasty, colovaginoplasty

Prostheses and related

Policy Summary

PayerKaiser Permanente

PolicyGender-Affirming Surgeries and Related Services — Clinical Review Criteria

Policy CodePolicy N/A

Change TypeNo material changes

Effective DateN/A

Next Review DateN/A

Key ActionObtain prior authorization through the Kaiser Permanente of Washington Gender Health Case Manager for hair removal and initial surgical referrals.

SourceLink

On This Page

Voice/speech therapy must be attempted and documented (attendance ≥75% for at least 6 months) with documented ineffectiveness prior to surgery

inv-36: BMI requirement for body contouring — preferred BMI range

Preferred BMI rangePatient has a stable BMI between 20 and 30 for body contouring eligibility

RationaleSurgery is most likely to be successful in this BMI range

DocumentationStable BMI must be documented as part of medical necessity review for body contouring

inv-39: Real-life experience duration — 12 months

Required durationTwelve months of living in a gender role congruent with gender identity (real-life experience) required for many surgical procedures

Definition examplesSocial transition may include name/pronoun change and communicating affirmed gender identity to others

Exception for nonbinaryClinician may judge social transition unnecessary (e.g., nonbinary); coverage may be considered after additional evaluation or explanation

inv-38: Minimum hormone therapy duration — 12 months unless contraindicated

Minimum durationAt least 12 months of continuous hormone therapy as appropriate to the member's gender goals unless medically contraindicated

PurposeAllows stable body fat redistribution and may be required prior to body contouring procedures

ExceptionMedical contraindication to hormone therapy must be documented if GAHT not used

Prior Authorization

Prior authorization and review notes — Certain procedures may be subject to elective surgical procedure level of care review; voice surgery commonly uses unlisted code

Prior authorization requests for gender-affirming body contouring and other procedures must include documentation that meets all applicable medical necessity criteria (age, single mental health referral letter within 18 months, documented social transition/real-life experience, hormone therapy duration when required, stable BMI where specified, and surgeon experience). Certain procedures (for example, orchiectomy) may be subject to an Elective Surgical Procedures Level of Care review in addition to clinical criteria. Voice modification surgery is commonly billed using unlisted larynx procedure code (CPT 31599) when no specific code applies; include operative details when submitting an unlisted code.

PA for gender-affirming body contouring requires evidence meeting all medical necessity criteria including age ≥18, single mental health referral within 18 months, 12 months real-life experience, hormone therapy duration when required, and stable BMI 20-30 where specified.
Some procedures (e.g., orchiectomy) may be subject to an Elective Surgical Procedures Level of Care review in addition to meeting clinical criteria.
Voice modification surgery commonly uses CPT 31599 (unlisted procedure, larynx); include operative description and justification when using unlisted codes.

Denial Risk

No explicit denial triggers are listed; common denial reasons are cosmetic-only or outside medical necessity

Requests can be denied when they are cosmetic-only or for procedures explicitly excluded from the benefit. The section does not list additional explicit administrative denial triggers beyond the list of non-covered procedures; however, common denial reasons include requests for procedures that are cosmetic in nature or do not meet the specified medical necessity criteria (for example, abdominoplasty, liposuction to belly or flanks alone, skin removal procedures).

No additional explicit denial triggers are listed beyond the policy's non-covered procedures.
Common denial triggers include requests deemed cosmetic-only or not meeting medical necessity (e.g., abdominoplasty, liposuction to the belly or flanks alone, procedures requiring skin removal).
Submit complete documentation that demonstrates how criteria are met to reduce risk of denial.

Documentation Required

GAHT documentation — Document duration and details of Gender Affirming Hormone Therapy where required

Document Gender Affirming Hormone Therapy (GAHT) when required by the specific procedure criteria. Include duration and regimen details (for example: at least 6 months, 12 months, or 2–3 years as specified by procedure) or document medical contraindication to GAHT when applicable. For facial hair removal, body hair removal, mastectomy, body contouring, and other procedures, show whether GAHT was taken, the agent(s), start and stop dates, and any relevant labs (e.g., testosterone level <100 in testicular-bodied patients) or history of orchiectomy when applicable.

Record duration of GAHT as required by procedure (examples: ≥6 months, 12 months, or 2–3 years depending on the procedure).
Document specific agents, start/stop dates, and relevant labs (e.g., testosterone <100 in testicular-bodied patients) or orchiectomy history when cited.
If GAHT is medically contraindicated or not desired, include documentation supporting that condition.

Step Therapy

Step therapy — Not applicable; no step therapy sequencing described

Step therapy is not applicable for gender-affirming surgical procedures in this policy; no step therapy sequencing or medication-first requirements are described. There are no specified step therapy requirements elsewhere in this section.

No step therapy sequencing described for surgical or procedural gender-affirming services.
No medication trial requirements (step therapy) specified as a prerequisite for procedures in this section.

Documentation Required

Mental health referral letter requirements — Single referral letter from a qualified mental health professional within last 18 months required and documented

A single referral letter from a qualified mental health professional within the last 18 months is required for most surgical procedures. The letter must document marked and sustained gender incongruence, capacity to consent for the specific intervention, understanding of reproductive effects and exploration of reproductive options, exclusion of other causes, and assessment of mental and physical conditions that could impact surgical outcomes. The policy specifies characteristics of a qualified mental health professional (master’s degree or equivalent, competency in DSM/ICD diagnosis, experience with gender nonconforming identities, and ongoing education).

One referral letter from a qualified mental health professional within 18 months is required for most procedures; letter must include specific elements (gender incongruence, capacity, reproduction counseling, exclusion of other causes, assessment of comorbidities).
Qualified mental health professional criteria: master's degree or equivalent, licensing credentials, diagnostic competence (DSM/ICD), ability to assess co-occurring mental health concerns, knowledge about gender nonconforming identities, and continuing education in gender dysphoria.

Includes testicular and penile prostheses (expanders and implants) and preoperative hair removal in surgical areas

Preferred surgeon credentialsPlastic Surgery, Urology, and/or Gynecology credentials are preferred for genital reconstructive surgery

inv-56: Qualified Mental Health Professional — education/licensure requirements and diagnostic competence

Minimum qualificationsMaster's degree or equivalent in a clinical behavioral science field from an accredited institution plus documented licensing credentials

Diagnostic competenceCompetence in DSM/ICD diagnostic use and ability to recognize and distinguish co-existing mental health concerns from gender dysphoria

Specialized knowledgeKnowledge of gender nonconforming identities and treatment of gender dysphoria with ongoing continuing education in assessment and treatment

inv-57: Social Transition / Real Life Experience — definition and exceptions for nonbinary cases

DefinitionSocial transition/Real Life Experience refers to living in a gender role congruent with one’s gender identity (e.g., name/pronoun change, communicating affirmed gender to others)

Duration requirementTypically requires 12 months living in gender-congruent role prior to some surgeries

ExceptionClinician may judge social transition unnecessary (e.g., nonbinary identities); in such cases coverage may be considered after additional mental health evaluation or explanation

inv-58: Voice Modification Surgery — definition and coding note (no specific CPT; commonly submitted as 31599 unlisted)

DefinitionVoice modification surgery includes surgical pitch-modifying procedures; no specific CPT codes designated

Coding noteCommonly submitted with CPT 31599 (Unlisted procedure, larynx)

Provider preferenceOtolaryngology credentials are preferred for gender affirming voice modification surgery