Marriage & Family Therapy Billing & Coding Guide
Family psychotherapy 90847, conjoint sessions, Medicare coverage expansion 2024 forward.
Common Marriage & Family Therapy CPT Codes
Ranked by claim frequency, with current MPFS work RVUs and global periods.
| Code | Description | Work RVU | Total RVU | Global |
|---|---|---|---|---|
| 90832 | Psytx w pt 30 minutes | 1.94 | 2.57 | XXX |
| 90834 | Psytx w pt 45 minutes | 2.56 | 3.41 | XXX |
| 90837 | Psytx w pt 60 minutes | 3.78 | 5.00 | XXX |
| 90846 | Family psytx w/o pt 50 min | 2.74 | 3.17 | XXX |
| 90847 | Family psytx w/pt 50 min | 2.86 | 3.28 | XXX |
| 90849 | Multiple family group psytx | 0.67 | 1.21 | XXX |
| 90853 | Group psychotherapy | 0.67 | 0.91 | XXX |
| 90791 | Psych diagnostic evaluation | 3.84 | 5.19 | XXX |
| 90792 | Psych diag eval w/med srvcs | 4.16 | 6.05 | XXX |
| 90785 | Psytx complex interactive | 0.33 | 0.44 | ZZZ |
| 90839 | Psytx crisis initial 60 min | 3.58 | 4.80 | XXX |
| 90840 | Psytx crisis ea addl 30 min | 1.71 | 2.31 | ZZZ |
What Marriage & Family Therapy practices are leaving on the table
High-value services that consistently get under-billed across the specialty. Each one is rooted in current 2026 fee schedule and policy updates.
Family therapy without patient (90846) is chronically under-coded; practices bill 90847 (with patient) when collateral sessions (parent coaching, discharge planning with family) occur without identified patient present. Switching 2-3 sessions per patient per month from 90847 to 90846 can save $80-120 per claim in unnecessary patient co-pays and improve payer compliance (work RVU 2.74 vs 2.86 is lower, but payer contracts reward coding accuracy).
Crisis code (90839) is under-recognized for acute exacerbations in ongoing family therapy (e.g., suicidal ideation, domestic violence escalation, acute substance relapse). Practices default to 90837 (routine 60-min) instead of capturing crisis premium. Correctly coding 3-5 crisis encounters per provider per year yields $500-1200 additional revenue if medical necessity is documented.
Diagnostic evaluation (90791) bundling with initial therapy is missed; practices routinely skip the diagnostic code and go straight to 90832/90834 on intake. A separate 90791 on DOS 1 (assessment only, 1-2 hours chart work) followed by 90834 on DOS 2-3 (therapy) captures $200-300 in unbundled professional fees if assessment is not part of the same visit.
Group psychotherapy (90853) and multiple family group (90849) are severely under-billed; practices avoid these codes due to modular RVU perception (0.67 each). A weekly 8-person psychoeducational group for couples yields $100-150 per session in aggregate billing ($12-15 per participant) if structured and billed consistently; most practices do not systematize this.
Code pairs that auto-bundle to CO-97
From the National Correct Coding Initiative for Marriage & Family Therapy. The rationale tells you when a modifier legitimately bypasses the edit and when it cannot.
Initial psych diagnostic eval (90791) includes assessment work that is bundled into the first therapy session (90832). Do not bill both on same DOS unless eval is distinctly separate (different DOS or modifier 25 with E/M, not another psych service).
Family therapy without patient (90846) and with patient (90847) are mutually exclusive per CPT structure. Code only the one that matches the actual session composition. Billing both on same DOS will trigger NCCI edits.
Crisis initial (90839) is 60 minutes and is a standalone code with global XXX. Add-on code 90840 (each additional 30 min) should only be used for time beyond 60 minutes in the same crisis encounter. Stacking multiple 90840s requires time documentation in 30-minute increments.
Family therapy with patient (90847) and group psychotherapy (90853) are distinct settings but practices incorrectly bill both when a family session involves multiple families. Code 90849 (multiple family group) is the correct code for that scenario. Do not use 90847 + 90853 together on same DOS.
Modifier Guidance for Marriage & Family Therapy
When each modifier legitimately applies in this specialty, with denial-pattern context and audit-defense documentation.
Use modifier 25 on a same-day E/M code (not in your database) if a distinct diagnostic evaluation or medical decision-making service occurs before or after a psychotherapy code (e.g., new-patient intake with vital sign review and psychiatric history collection, then 90832 psychotherapy in same visit). Document the E/M separately in time and clinical purpose.
Modifier 59 (distinct procedural service) is rarely appropriate for Marriage & Family Therapy codes because the bundling rules are based on code structure and setting, not anatomical separation. If you must use it, document that the second service is clinically distinct in purpose and timing (e.g., crisis intervention session added mid-week to ongoing family therapy), not just different CPT codes.
Telemedicine modifier 95 applies to any psychotherapy code when delivered synchronously via real-time audio-video. Append to the base code (e.g., 90834-95). Some payers (Anthem, UnitedHealthcare) require separate prior auth or place utilization caps on telehealth psych visits; verify payer policy before billing.
Modifier 52 (reduced services) applies when a scheduled 45-minute session (90834) is cut short to 20 minutes due to patient cancellation or clinical necessity. Document the actual time spent and the reason. This is not a bundling bypass, just a billing adjustment for incomplete service delivery.
Modifier KX (requirements specified in medical policy have been met) may be required by some payers on psychotherapy codes to certify medical necessity or prior authorization compliance. Check the payer's LCD or medical policy; if required and missing, claims auto-deny with CARC 50.
Documentation requirements
What needs to live in the encounter note for these codes to survive a payer audit.
- Date, time, and duration of service in minutes (critical for matching CPT time bands; auditors verify session notes match billed code duration)
- Patient/family member present or not present for family therapy codes (90846 vs 90847 distinction is the audit trigger for these codes)
- Diagnosis code linked to each service with clear clinical justification in assessment (missing diagnosis tie-in is a common CARC 50 denial)
- Specific therapeutic interventions or techniques used and progress toward treatment goals (generic 'family discussed issues' fails RAC documentation review)
- For crisis codes (90839/90840), statement of the acute stressor, risk assessment, and immediate safety planning (crisis codes are high OIG audit targets for overuse)
- For telehealth (modifier 95), confirmation of real-time interactive audio-video delivery and patient location (payers require this detail to approve telehealth rates)
OIG and audit triggers in Marriage & Family Therapy
Patterns that show up in OIG Work Plans, RAC audits, and CERT improper payment reviews. Build internal compliance checks around these.
OIG Work Plan flags crisis psychotherapy billing (90839/90840) for overuse and upcoding from routine to emergency; practices billing >3 crisis sessions per patient per month face audits. Document true crisis presentation, safety risk, and failed outpatient alternatives to survive review.
RAC pattern: billing 90847 (family with patient) and 90832 (individual with patient) on the same DOS without modifier 25 or clinical separation triggers bundling denials; RACs view these as overlapping per NCCI. Chart must show distinct appointment times or different clinical purposes.
CMS NCD for psychotherapy limits frequency and duration based on diagnosis and modality; practices billing >2 sessions weekly without documented medical justification (e.g., acute trauma, severe substance use disorder) see CARC 50 denials. Payer prior auth systems auto-deny if visit frequency violates policy.
Telehealth modifier 95 is missing or appended incorrectly on remote sessions; some payers (Anthem, UnitedHealthcare) do not recognize modifier 95 alone and require G-code modifiers (GQ, GT) instead or reject the entire claim. Verify payer-specific telehealth policy before submitting.
Payer-specific billing notes
Where the major payers diverge from generic Medicare rules in Marriage & Family Therapy.
ME Medicare +
CMS NCD 90837 allows unlimited psychotherapy but requires medical necessity per LCD in your MAC region (e.g., Noridian in West requires diagnosis from F30-F99, Z63, Z71 range). Prior auth is NOT required federally but some MACs implement local policy requiring documentation of treatment plan within 5 visits. Telehealth (modifier 95) has no geographic restriction post-2023 but requires real-time audio-video; phone-only is not covered. Bundling 90791 with 90832 on same DOS is an NCCI hard edit; use separate DOS or modifier 25 is not applicable (both are psychiatry, not E/M + psychiatry).
UN UnitedHealthcare +
UHC Optum delegates mental health coverage to behavioral health carve-outs in most regions; claims route to Optum Behavioral Health or local delegated plan, NOT to primary medical plan. Prior auth is required for Marriage & Family Therapy in most states; auth threshold is typically 12-16 visits per authorization cycle (6 months). Telehealth (modifier 95) is covered at same rate as in-person if real-time; async services (therapy notes sent without live interaction) are not covered. UHC does not recognize modifier 59 for bundling bypass; do not attempt it.
AN Anthem +
Anthem's ICR (Integrated Care Review) and AIM (Automated Integrated Management) require prior auth for psychotherapy >6 visits per year in many states; eviCore is the delegated vendor. Anthem medical policy requires diagnosis linked to CPT within 14 days of service or claim auto-denies with CARC 50. Telehealth (modifier 95) is covered at in-network rate in most states, but Anthem requires modifier GQ (telehealth delivered via non-interactive audio/video) OR modifier GT (interactive video) appended; modifier 95 alone may cause rejection. Family therapy codes (90846/90847) have no separate bundling edit but must have family relationship documented in chart or Anthem requests records for medical necessity review.
CI Cigna +
Cigna does not require prior auth for Marriage & Family Therapy codes in most states but reserves right to audit for medical necessity and appropriate setting level. Cigna's medical policy requires psychotherapy to be prescribed by a physician or licensed independent practitioner (LIP) with supervisory sign-off; Marriage & Family Therapist (LMFT) services must be documented as billed under physician supervision or under state license delegation, or claims may be denied. Telehealth (modifier 95) is covered but Cigna requires provider attestation that patient and therapist are in separate, private settings; failure to document this may delay payment pending record review. Cigna bundles initial diagnostic codes (90791) into first therapy visit on same DOS with no modifier exception; use separate DOS for 90791 only.
Standard Marriage & Family Therapy coding workflow
Step 1: Verify DOS, patient/participant list, and session duration from clinical note; match duration to CPT time bands (30, 45, 60 min). Step 2: Confirm diagnosis code and clinical necessity statement in chart; link to treatment plan. Step 3: Determine session type (individual, family with/without patient, group, crisis) and select correct CPT; do not stack mutually exclusive codes. Step 4: Assign modifiers per payer policy (KX for prior auth, 95 for telehealth, 25 only if separate E/M on same DOS, rarely 59). Step 5: Validate against payer bundling rules and submit with supporting medical necessity documentation.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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