204: This service/equipment/drug is not covered under the patient's current benefit plan
The specific service, item, or drug billed is excluded from the patient's benefit plan altogether. This differs from a medical necessity denial because the plan simply does not cover this category of service regardless of documentation.
What the group code means
- PR
- Patient Responsibility. The amount may be billed to the patient.
Why it fires
- The plan document lists this service, drug, or equipment as an exclusion, such as cosmetic procedures or certain DME categories
- The patient is enrolled in a plan variant that carves out this benefit
- The billed code does not match a covered benefit category in the plan's schedule of benefits
Corrective actions, ranked
- 1
Pull the plan's evidence of coverage
Confirm the exclusion applies to this exact plan and effective date, not just a similar plan.
- 2
Bill the patient if appropriate
If the exclusion is confirmed and no notice requirement was missed, this becomes patient responsibility. Verify the group code is PR.
- 3
Check for alternate coverage
If the patient has secondary insurance, or the service should have been billed under a different benefit category or code, correct and resubmit.
Is it worth appealing
Appeal only if you can show the plan document does cover this service or the payer applied the wrong plan or benefit. A true benefit exclusion cannot be appealed away.
Related remark codes
Retrieved 2026-07-18.
Do not let this happen again
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DenialPath provides billing and administrative guidance based on published CMS and X12 sources. It is not medical advice, not a coverage determination, and not a guarantee of payment. NCCI and MUE edits are republished quarterly and payer policies vary by contract. Always confirm against the payer's own current policy before submitting or appealing.