Does Medicare accept UB04?

Asked by: Dr. Rebekah Jerde II  |  Last update: January 4, 2026
Score: 4.5/5 (66 votes)

The CMS-1450 form (aka UB-04 at present) can be used by an institutional provider to bill a Medicare fiscal intermediary (FI) when a provider qualifies for a waiver from the Administrative Simplification Compliance Act (ASCA) requirement for electronic submission of claims.

Does Medicare accept UB-04 claims?

What is the UB-04 Form used for? The UB-04 Form is used in more than 98% of Medicare claims and over 80% of all institutional claims. It serves as a comprehensive record of all reimbursable care received by patients, which are subsequently used by the payer to determine the reimbursement amount.

Does Medicare accept corrected claims?

Therefore, you may submit a new (corrected) claim and it will not reject as a duplicate to the original claim. You must submit a new claim if: You do not have access to the DDE system.

What claim form is used when billing Medicare?

The Form CMS-1500 is the standard paper claim form to bill Medicare Fee-For-Service (FFS) Contractors when a paper claim is allowed. In addition to billing Medicare, the 837P and Form CMS-1500 may be suitable for billing various government and some private insurers.

When to use UB-04 vs CMS 1500?

So, CMS 1500 is used only by the physicians and not hospitals. Whereas UB-04 or CMS 1450 form is used by hospitals with 81 field locators to enter all the required details like HCPCS codes, NPI, Tax ID, etc.

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30 related questions found

Who bills on an UB04?

If the patient is treated as an outpatient in a hospital different from the one in which the patient is registered, the services must be billed by the treating hospital using the UB-04 claim form with the appropriate facility type code (which is the first two digits in the Type of Bill field [Box 4]) for the outpatient ...

Who can use the CMS 1500 form to bill to Medicare?

The Health Insurance Claim Form (CMS-1500) is used by Allied Health professionals, physicians, laboratories and pharmacies to bill supplies and services to the Medi-Cal program.

What is a UB 04 claim form often used in?

The UB-04 form is widely adopted in healthcare. Over 98% of Medicare claims and more than 80% of all institutional claims use the UB-04 form. The UB-04 claim form is particularly used by institutional providers like hospitals, nursing homes, rural health clinics, and rehabilitation centers.

How do I bill my Medicare claim?

How to file a Medicare claim
  1. Fill out a Patient's Request for Medical Payment form. ...
  2. Get an itemized bill for your medical treatment. ...
  3. Write a letter and add supporting documents to your claim. ...
  4. File your claim for Medicare reimbursement.

What form is Medicare reported on?

Your Form 1095-B shows your Medi-Cal coverage and can be used to verify that you had MEC during the previous calendar year. You can use this information to complete your state and/or federal income tax returns. If you are required to file state or federal taxes, you may self-attest your coverage as well.

How do I bill a corrected 1500 claim to Medicare?

Corrected Claim Submission: EDI Claims Corrections can be sent in an electronic format. On the CMS-1500 Form, use Corrected Claim Indicator (Medicaid Resubmission Code). Enter the frequency code "7" in the "Code" field and the original claim number in the "Original Ref No." field.

What modifier is not accepted by Medicare?

GZ - Service is not covered by Medicare

The GZ modifier identifies that 1) an item or service is expected to be denied as not reasonable and necessary, and 2) no advance notice of non-coverage was supplied to the member.

Why does Medicare reject a claim?

A status R claim is a claim that was rejected for reasons such as Medicare eligibility, billing issues like overlapping with another provider's claim, Medicare Secondary Payer (MSP) provisions, duplicate claims or claims that failed the timeliness requirements.

What goes in box 66 on UB04?

65 Employer Name Name of employer providing health coverage. 66 Diagnosis and Procedure Code Qualifier Enter 9 for ICD 9 coding or 0 for ICD-10 coding depending on date(s) of service. 67 Principal Diagnosis Code on Admission Enter the appropriate ICD diagnosis code that describes the nature of the illness or injury.

What is UB Medicare?

The UB-04, also known as the Form CMS-1450, is the uniform institutional provider hardcopy claim form suitable for use in billing multiple third party payers.

What is the difference between a UB04 and a UB92?

What is the main difference between a UB-04 and a UB92 form? The UB04 form is a more modern and user-friendly billing form than the UB92 form, with more detailed fields for reporting medical services and charges. The UB-04 form uses ICD-10-CM codes for diagnosis and procedure, while the UB92 form uses ICD-9-CM codes.

How do I submit a corrected claim to Medicare?

To submit a corrected claim to Medicare, make the correction, and resubmit it as a regular claim (Claim Type is Default) and Medicare will process it. Hover over the Billing tab and select Live Claims Feed. Search for the patient and select the from the drop-down.

What are the differences between the CMS 1500 claim form and the UB-04 form?

In general, the UB-04 form is used by institutional healthcare providers, such as hospitals, nursing homes, and rehabilitation centers, while the CMS 1500 form is used by individual healthcare providers, such as physicians, therapists, and dietitians.

Can I submit claims directly to Medicare?

Yes. If you had to pay out of pocket for services or supplies because your doctor, provider, or supplier refused to submit a claim, you'll have to submit your own claim.

What are the bill types for UB-04?

UB04 Box 4 - Type of Bill on an institutional claim
  • 1- Hospital.
  • 2- Skilled Nursing Facility.
  • 3- Home Health.
  • 4- Christian Science (Hospital)
  • 5- Christian Science (Extended Care)
  • 6- Intermediate Care.
  • 7- Clinic.
  • 8- Special Facility.

Why is it important to complete the UB-04 form accurately?

Accurate completion of the UB-04 is crucial for timely reimbursement and avoiding claim denials. Healthcare providers often rely on specialized healthcare software to manage the complexities of this form.

What is the UB-04 data file?

The UB-04 Data File contains the complete set of NUBC codes. Every code in the range of possible codes is accounted for sequentially. There are no gaps because all used and unused codes are identified. The file consists of an Excel workbook containing 14 worksheets sorted by data element (Form Locator (FL)):

What form is used to bill Medicare?

The CMS-1500 form is the standard claim form used by a non-institutional provider or supplier to bill Medicare carriers and durable medical equipment regional carriers (DMERCs) when a provider qualifies for a waiver from the Administrative Simplification Compliance Act (ASCA) requirement for electronic submission of ...

Does Medicare require a referring physician on claims?

All claims for Medicare covered services and items that are the result of a physician's order or referral shall include the ordering/referring physician's name.

Is CMS 1500 a universal claim form?

As a result of this joint effort, the 1500 Claim Form is accepted nationwide by most insurance entities as the standard claim form/attending physician statement for submission of medical claims. The Uniform Claim Form Task Force was replaced by the National Uniform Claim Committee (NUCC) in the mid 1990s.