A mental health claim may be delayed because required information is missing, the payer cannot match the claim to its records, a coverage rule was not met, or the payer made a payment determination that needs review. The fastest path forward begins with the exact payer message, the original claim, and the applicable plan rules.

Do not treat every unpaid claim as the same problem. Determine whether it was rejected before adjudication, denied after review, underpaid, assigned to patient responsibility, or still pending. Then choose the action that matches the result.

First, determine whether the claim was rejected or denied

A rejected claim generally did not enter the payer’s full adjudication process because of a submission or data problem. Correcting the information and resubmitting may be appropriate.

A denied claim received an adverse payment decision. It may require a corrected claim, supporting documentation, reconsideration, or a formal appeal. Payers use their own processes and deadlines, so follow the instructions connected to the actual decision.

Read the remittance advice before changing anything

An electronic remittance advice or paper remittance explains how a payer processed the claim. CMS notes that remittance advice reports adjustments and uses standardized Claim Adjustment Reason Codes and Remittance Advice Remark Codes to explain many decisions.

Record the claim number, date of service, affected line, adjustment group, reason code, remark code, and filing or appeal deadline. Compare the message with the payer portal and the original claim. One code may not tell the whole story.

Common causes of rejected or denied mental health claims

The exact causes vary by payer, plan, service, and provider. Common areas to review include patient demographics and member information; coverage or eligibility for the date of service; provider enrollment or network status; place of service and telehealth details; authorization or referral requirements; diagnosis and procedure information; modifiers; coordination of benefits; duplicate submissions; documentation requests; and timely filing.

A list of possible causes is only a starting point. The payer’s response and the patient’s specific plan determine the next action.

Choose the response that fits the payer’s decision

If the claim contains an error, follow the payer’s corrected-claim instructions. If information is missing, provide it through the required channel. If the claim was processed incorrectly or the practice disagrees with the determination, review the reconsideration or appeal rights and submit a focused response supported by the record and applicable policy.

Keep the original submission, payer response, documentation sent, reference numbers, and follow-up dates together. Avoid repeatedly sending the same unchanged claim; it can create duplicates without resolving the reason payment stopped.

Confirm who is financially responsible

Payment adjustments can assign amounts to the provider, payer, or patient depending on the code and plan rules. Verify the remittance information and contractual requirements before moving a balance to the patient.

Clear patient statements depend on accurate posting. A billing team should be able to explain what the payer processed, what the practice adjusted, what insurance follow-up remains, and what amount is legitimately assigned to the patient.

Track deadlines and next actions

Every open claim needs an owner and a next action. Record the deadline, submission method, required documents, and date of the next follow-up. Prioritize claims approaching timely-filing or appeal deadlines and balances with direct patient impact.

After sending a correction or appeal, confirm receipt and status. Close the task only when the claim reaches a documented outcome and the account reflects that outcome correctly.

Turn repeated denials into a workflow fix

Group similar issues by payer, provider, location, procedure, and reason. A recurring denial may point to a credentialing gap, front-desk data problem, charge-entry rule, missing modifier, authorization process, or payer-specific configuration.

Fix the source of the pattern, update the written workflow, and teach the people who handle the relevant step. That prevents tomorrow’s claims from joining today’s backlog.

You do not have to work the denial pile alone

Power Moms Billing can manage claims, payments, denials, and follow-up through full-service billing. Practices keeping billing in house can also get cleanup support and hands-on training. The right choice depends on your team, current backlog, and how much of the process you want to own.

Explore full-service mental health billing

Common questions

Should I resubmit every denied claim?

No. Read the payer’s reason and instructions first. The appropriate next step may be a corrected claim, documentation, reconsideration, appeal, contractual adjustment, or another action.

What are CARCs and RARCs?

Claim Adjustment Reason Codes and Remittance Advice Remark Codes help explain how a payer adjusted or denied a claim. Review them together with the adjustment group and payer-specific instructions.

Can eligibility verification guarantee payment?

No. Eligibility information is useful, but payment still depends on the service, provider, plan rules, claim information, and other requirements.

What should a denial tracker include?

Include the payer, patient or account reference, claim number, date of service, balance, reason and remark codes, deadline, owner, last action, next action, and outcome.

Sources and further reading

CMS Health Care Payment and Remittance Advice

CMS Medicare Claims Processing Manual Chapter 22