Behavioral-health denial management: a workflow for billing and UR teams

How should a billing team triage each new denial?

Read the group code, the reason code (CARC) and every remark code (RARC) on the denied line, then assign one category: eligibility, submission error, coding, authorization, medical necessity, benefit limit or timely filing. The category sets the first move and the owner, so no denial is worked twice or left unworked.

Group codes assign responsibility: CO puts the unpaid amount on the provider, PR on the patient; OA and PI cover other and payer-initiated adjustments. Codes 16 and 96 must carry a remark code. CMS notes that an entity receiving your 835 may not forward remark codes, so check the clearinghouse feed. The code lists change three times a year; look up any code in the denial code lookup.

Corrected claim, reconsideration or formal appeal: which path fits?

Send a corrected claim when your claim was wrong. Use the payer's reconsideration or claim-review step when the payer made a processing error or missed a document. File a formal appeal when the claim was right and the payer disagrees on substance, such as medical necessity, authorization or how a benefit applies.

• Corrected claim: on the 1500 form, item 22 takes resubmission code 7 (replacement) or 8 (void) with the original reference number. On UB-04 institutional claims, used by facility-based PHP, IOP and residential programs, the type of bill ends in 7 or 8. The coding denial guide has details.
• Unprocessable claim: remark code MA130 means the claim was incomplete or invalid and has no appeal rights; send a new, corrected claim.
• Reconsideration: rules vary by payer. Check the provider manual for whether it counts as an appeal level.
• Formal appeal: for clinical and authorization disputes; see the CO-50 guide.

How do you keep every denial inside its deadline?

Record two dates for each denial, the date on the notice or remittance and the date you received it, then calculate every open clock and sort the queue by the earliest one. Clinical urgency overrides the sort: a patient still in care may need an expedited appeal today, whatever else is waiting.

• Employer group health plans (ERISA) must allow at least 180 days after the claimant receives the denial to appeal, and a plan with one appeal level must decide a post-service appeal within 60 days.
• Medicaid managed care allows 60 calendar days from the date on the notice, not from the day it arrived.
• Network contracts can set shorter provider-dispute and corrected-claim limits; load them from each provider manual.
• Medicare and Medicare Advantage clocks differ again; the appeal deadline calculator lists them by plan type.

Who owns which denials: billing, UR or the clinician?

Billing owns anything fixed on the claim: eligibility, payer order, submission errors, coding and timely filing. UR owns authorization and clinical denials and the record work behind them. The treating clinician owns clinical judgment and reviews and signs any statement about medical necessity. One named person owns each case from intake to outcome.

The clinical director or practice owner decides which denials not to contest and approves write-offs. Billing companies should write this split into the service agreement. Filing rights matter too: in Medicaid managed care, a provider may appeal for the enrollee only with the enrollee's written consent and where State law permits. The appeal packet guide covers who signs.

What fields does a denial work queue need?

Enough to sort, route and prove timeliness without opening the chart: payer and plan type, program and level of care, group, reason and remark codes, category, amount, owner, notice date, received date, deadline, chosen path, date sent, delivery proof, next follow-up and outcome. Keep it in a system covered by a business associate agreement (BAA).

HIPAA lets a provider share protected health information with a vendor that handles it on the provider's behalf only with written assurances, in practice a BAA; a billing company needs the same from its subcontractors. A spreadsheet, task app or AI assistant without a BAA should hold no patient identifiers: no names, member, claim or record numbers, and no service dates.

Which denial metrics should you track, and how is each defined?

Track a few metrics with fixed definitions: denial rate, appeal rate, overturn rate, days from denial to appeal, write-offs and missed deadlines. Agree the numerator, denominator and period before the first report, and compare each month with your own baseline by payer, program and category rather than with an outside benchmark.

Published figures are on our sourced behavioral-health denial statistics page. They use different definitions and payer mixes, so treat them as context, not targets.

What does a daily denial routine look like?

A short routine every working day keeps the queue honest: load remittances and letters, log and categorize every denial, pull urgent cases forward, send same-day fixes, then work the rest in deadline order. Every case should end the day with an owner, a next action and a follow-up date.

1. 01Load the day's 835 remittances and payer letters; confirm remark codes came through.
2. 02Log each denied line with its codes, category, amount, owner and deadline.
3. 03Move urgent cases to the top: a patient still in care, or a deadline this week.
4. 04Send corrected claims for submission errors the same day; route authorization and clinical denials to UR.
5. 05Work the rest in deadline order, recording each action and the next follow-up date.
6. 06Chase appeals that are past the plan's decision time.

How do you close the loop on denial root causes?

Review closed denials weekly or monthly by category, payer and program, find the causes that repeat, and give each one a fix owner. Behavioral-health programs should start with three places: authorization tracking, concurrent-review updates, and documentation that does not match what was billed. Then check whether the same denial returns.

Payer data helps. Under CMS-0057-F, Medicare Advantage plans, Medicaid and CHIP programs and plans, and federal Marketplace insurers must give a specific reason for prior-authorization denials from 2026 and post prior-authorization metrics on their websites each year, first by March 31, 2026. Drugs are excluded.

• Authorization tracking: log every authorization with level of care, units or days, date span and the provider and location it covers, and check scheduled services against it. Repeat CARC 197 and 198 denials point here.
• Concurrent review: calendar the next review before the authorization ends and send updates that answer the payer's criteria; see the continued-stay guide.
• Documentation: signed notes, recorded time for timed codes, and attendance that supports each per-diem day.

When does outsourcing appeal drafting make sense?

When clinical denials arrive faster than UR and clinicians can write strong responses, when volume is too uneven to justify a full-time writer, or when you need one consistent structure across many payers. It usually does not make sense for routine fixes, which a billing team resolves faster with a corrected claim.

• Keep in-house: eligibility, submission errors, authorization-number fixes, coding corrections, and appeals your team already handles well.
• Consider outside drafting: medical-necessity, level-of-care and continued-stay appeals that must answer each stated reason.
• Either way, the treating clinician reviews and signs and your team files. A vendor without a BAA should receive only de-identified facts.