UB04 Condition Codes Code 77: Provider Accepts Payment by a Primary Payer as Payment in Full

Overview

Condition Code 77, as listed on the Noridian Condition Codes page, has the meaning “Provider accepts primary payer payment as pa” (the full official description is “Provider Accepts Payment by a Primary Payer as Payment in Full”). ^[1] The MassHealth UB‑04 Guide confirms that condition codes are part of the standard code sets used on the form to convey special circumstances about a claim. ^[2] By using Code 77, the claim effectively indicates that no further balancing or secondary billing is expected. Understanding the precise meaning of this code is essential for accurate claim submission and to avoid confusion about payment responsibility. ^[1]

When to Use

Code 77 should be used only when the provider has agreed, either contractually or through a specific payment policy, to accept the primary payer’s payment as the total reimbursement for the services rendered. ^[1] This situation often arises when the primary payer is a government program such as Medicare, which may have a “payment in full” requirement for certain providers (e.g., participating providers who agree to accept assignment). It may also occur when a commercial primary payer has negotiated a fee schedule that the provider accepts as the full allowed amount. Providers should not use this code if they plan to seek additional payment from a secondary payer or from the patient for deductible or coinsurance amounts, unless that secondary payer’s terms also accept the primary payment as full. The code is particularly relevant during claim adjudication so that downstream systems recognize that no further recovery is anticipated. Incorrect use of Code 77 can lead to claim denials or overpayments, so it should only be chosen when the provider’s payment arrangement truly meets the definition of “payment in full.” ^[1]

Step-by-Step Claim Example

A hospital provides outpatient surgery to a Medicare beneficiary. The hospital is a Medicare participating provider and has accepted assignment for the service. After the claim is submitted to Medicare, Medicare pays the hospital 80% of the approved amount. Because the hospital accepted assignment, it agrees not to bill the patient for the remaining 20% coinsurance (unless the patient has supplemental coverage that explicitly allows balance billing). In this scenario, the hospital intends to accept Medicare’s payment as payment in full for the claim. On the UB‑04 claim form, the hospital must enter Condition Code 77 in one of the condition code fields (fields 18–28) to indicate that the provider accepts the primary payer’s payment as full satisfaction. ^[1] The MassHealth UB‑04 Guide instructs providers to complete condition code fields accurately according to the code sets provided. ^[2] After entering Code 77, the hospital does not submit a secondary claim to the patient’s supplemental insurer or bill the patient for the balance. The claim is processed with the understanding that the primary payment ends all further financial responsibility. This example demonstrates how Code 77 functions in practice when a provider voluntarily limits its reimbursement to the primary payer’s amount. Other factors, such as the patient’s secondary coverage or state law, may affect whether the provider can actually accept the primary payment as full, but the use of the code itself signals the provider’s intent. ^[1]

Common Mistakes & Audit Red Flags

One common mistake is using Condition Code 77 when the provider actually intends to pursue a secondary payer or balance‑bill the patient. The code specifically means the primary payer’s payment is accepted as full, so any attempt to collect more funds after submitting this code can trigger overpayment recovery and audit scrutiny. ^[1] Another error is failing to use Code 77 when the provider has indeed accepted the primary payment as full, which may cause secondary payers to erroneously deny claims or delay processing because they expect a balance to exist. The MassHealth UB‑04 Guide emphasizes the importance of using correct code sets, and condition codes are part of that requirement. ^[2] Audits often focus on whether providers have consistent billing patterns—if a provider frequently uses Code 77 but continues to write off balances, that may be acceptable, but if they use the code and then later bill secondary insurers, that is a red flag. Additionally, some payers may require that Code 77 be used only with specific revenue codes or service types; failure to adhere to those nuances can result in claim rejections. Providers should also

---

References

[1] Noridian Condition Codes — https://med.noridianmedicare.com/web/jea/topics/claim-submission/condition-codes

[2] MassHealth UB-04 Guide — https://www.mass.gov/doc/ub-04-billing-guide-0/download