POS 50 — Federally Qualified Health Center (FQHC)
Services in a federally qualified health center
Important: POS code usage depends on the specific service, payer policy, and clinical setting. Always verify payer-specific POS requirements. The information on this page is for educational purposes only and does not guarantee payment. Consult the official CMS POS Code Set, payer provider manuals, and current coding guidelines for authoritative guidance.
POS Description
POS 50 is used for services furnished in a federally qualified health center (FQHC). An FQHC is a health center that provides comprehensive primary care to underserved populations and receives federal grant funding.
Plain English Explanation
When a patient is seen at a federally qualified health center (community health center), the provider bills POS 50. FQHCs have special Medicare and Medicaid payment rules.
Typical Healthcare Settings
Community health center, migrant health center, health care for the homeless program, public housing primary care center.
Documentation Expectations
Document the services provided, the medical necessity, and the clinical content. Document the patient's diagnosis and treatment plan. FQHCs have specific visit documentation requirements for the FQHC PPS payment.
Common Denial Scenarios
- CO-50 (not medically necessary)
- CO-97 (bundling)
- CO-16 (incorrect POS)
- CO-24 (FQHC benefit not covered).
Modifier Considerations
FQHCs have specific billing rules. Modifier CG may be required for FQHC services. Check the Medicare FQHC billing requirements. The FQHC PPS payment covers a bundle of services per visit.
Telehealth Considerations
Telehealth services can be provided by FQHCs. Use POS 50 with modifier 95 if the service is via telehealth. FQHCs have specific telehealth policies and may receive an originating site facility fee.
Payer-Specific Considerations
Medicare pays FQHCs under the FQHC Prospective Payment System (PPS). Medicaid pays FQHCs under a cost-based or PPS methodology. Check the FQHC-specific payment rules. Some payers have different reimbursement for FQHC services.
Professional vs Facility Billing
FQHCs bill on UB-04 with POS 50 for facility costs (FQHC PPS payment). Professional services may be billed separately on CMS-1500. Check the FQHC billing format and payment methodology.
Common Mistakes
- Using POS 50 for non-FQHC clinics (should use POS 11 or 49). Not understanding FQHC PPS payment. Not documenting the FQHC visit requirements. Confusing FQHC billing with standard physician billing.
Always Verify
POS 50 usage depends on the specific service, payer policy, and clinical setting. Always verify payer-specific POS requirements and consult the official CMS POS Code Set, payer provider manuals, and current coding guidelines.
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