Urgent care billing
Urgent care billing services
We handle billing for urgent care centers, from walk-in visits and rapid tests to x-rays, lacerations and splints. Claims go out within 24 hours of receiving charges, every denial is worked within 5 business days, and pricing starts at 2.5% of collections.
- Payer-by-payer rules for S-codes vs. E/M and POS 20
- In-house lab, x-ray and procedure coding
- High-volume charge entry with front-desk eligibility checks
Why urgent care billing is different
Urgent care billing changes with every payer contract
An urgent care center sees many walk-in patients a day, often with no appointment and no time to check insurance. The same visit may be billed three different ways depending on the payer.
S-codes or E/M
Some commercial and Medicaid plans pay urgent care with a flat global code such as S9083, or want S9088 added. Others, including Medicare, pay only standard E/M and procedure codes. Your contracts decide which one each claim uses.
Place of service 20
Urgent care claims usually use place of service 20. Some payers pay a different rate for it, and a center enrolled as a physician office may need POS 11 instead. It has to match how you are enrolled.
After-hours codes
Codes 99050 and 99051 for care on evenings, weekends and holidays are paid by some commercial payers and ignored by others, including Medicare. We add them only where the contract pays.
Labs and x-rays in house
Rapid strep, flu, COVID-19 and urine tests need a CLIA certificate and often modifier QW. X-rays read by an outside radiologist are billed with modifier TC; those you read are billed globally.
Procedures with visits
Laceration repair, splints, abscess drainage and injections are often done at the same visit. A separate E/M needs modifier 25 and work beyond the procedure itself.
Walk-in eligibility
Patients arrive without warning, and many have high deductibles, out-of-network plans or workers’ compensation. Checking coverage at check-in prevents a large share of denials.
Common codes
Urgent care codes we bill often
| Code(s) | What it is | What we watch for |
|---|---|---|
| 99202–99215 | New and established patient visits | Level supported by decision making or time; modifier 25 with a same-day procedure |
| S9083 / S9088 | Urgent care global visit code; services provided in an urgent care center | Only for payers whose contract asks for them; never to Medicare |
| 99050 / 99051 | Services after hours or on evenings, weekends and holidays | Added only where the payer pays them |
| 87880 / 87804 / 87811 | Rapid strep, flu and COVID-19 antigen tests | CLIA certificate on file; modifier QW where required |
| 12001–12007 | Simple repair of superficial wounds by total length | Lengths added up correctly by anatomic group |
| 29125 / 29105 | Short arm splint; long arm splint | Splint supplies billed per payer rules |
| 73100–73140, 71046 | Wrist, hand and finger x-rays; chest x-ray, 2 views | Global vs. modifier TC when an outside radiologist reads |
| 96372 | Therapeutic injection, IM or subcutaneous | Drug billed with its J-code and correct units |
Codes and rules change. We check current CPT guidance and each payer’s policy before submission.
Common denials we prevent
Urgent care denials we stop before they happen
Urgent care denials usually come from the wrong code set for the payer, missing eligibility or procedures that bundle with the visit. We build these rules into charge entry.
- S9083 sent to a payer that pays only E/M, or E/M sent to one that pays only the global code
- Place of service that does not match how the center is enrolled
- After-hours codes billed to payers that never pay them
- Lab tests denied for a missing CLIA number or modifier QW
- E/M bundled into a same-day procedure because modifier 25 was missing or unsupported
- Work-injury claims sent to health insurance instead of the workers’ comp carrier
- Visits for patients whose coverage ended or whose plan is out of network
What we handle
Everything between the visit and the payment
- Insurance eligibility and benefits checks for walk-in patients
- Charge entry and coding review of visits, labs, x-rays and procedures
- Claim submission within 24 hours of receiving charges
- Payment posting and ERA reconciliation
- Denial correction, resubmission and appeals within 5 business days
- A/R follow-up on unpaid and underpaid claims
- Commercial, Medicare and Medicaid credentialing for physicians, NPs and PAs
- Patient statements and balance tracking
- Monthly reporting on collections, denials and A/R
Our billing team does not call your patients. Patient calls stay with your center, or with an optional RevenueCTRL virtual assistant.
Pricing
Clear pricing for urgent care centers
Billing starts at 2.5% of collections, or a flat monthly fee. There is no setup fee and no long-term contract. Credentialing starts at $80 per payer, and 5 commercial payers are credentialed free when you sign up for billing.
Our core focus is behavioral health. We bill urgent care and other specialties with the same team, the same CPB-certified billers and the same service promises. For high-volume centers, a dedicated biller who works only on your account is also available.
Common questions
Should we bill S9083 or E/M codes?
It depends on each payer contract. Some commercial and Medicaid plans pay urgent care visits with S9083, others want standard E/M codes, and Medicare does not accept S-codes. We map every payer you work with and apply the right code set on each claim. Rules vary by payer; we check current policy.
Do you bill after-hours codes like 99051?
Yes, where the payer pays them. Many plans, including Medicare, do not, so we add after-hours codes only for the payers whose contracts or policies allow them.
Can you bill x-rays read by an outside radiologist?
Yes. When your center takes the x-ray and an outside radiologist reads it, we bill the technical component with modifier TC. When your own provider reads it, we bill it globally.
Do you bill workers’ compensation?
Yes. We bill workers’ compensation carriers directly, separate from health insurance. We set up each injury case with the carrier, claim number, adjuster and employer details, and follow the state’s fee schedule, forms and documentation rules. We flag work injuries at check-in so they never go to the patient’s health plan by mistake.
How fast do claims go out for a busy center?
Claims go out within 24 hours of receiving charges, and every denial is worked within 5 business days. A real person replies within 1 hour during business hours.
How much does urgent care billing cost?
Billing starts at 2.5% of collections, or a flat monthly fee. There is no setup fee and no long-term contract. We give you an exact quote after a free review of your claims.
Guides from our team
Learn more before you decide
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Read the guide →Claim Denial Codes Explained: What CO-16, CO-50, CO-197, PR-1 and Others Mean and How to Fix Them
What common denial codes mean (CO-16, CO-18, CO-50, CO-97, CO-197, PR-1 and more) and how to fix each, for mental health and medical practices.
Read the guide →Medical Billing Services for Small Practices: Complete Guide to Maximizing Revenue
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Read the guide →Find out what your claims are leaving on the table
Tell us about your practice. We will review 90 days of claims and show you what is recoverable, at no cost.
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