Chapter 10

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Learning Objectives

By the end of this chapter, you should be able to:

* Explain the purpose of insurance claim forms.

* Distinguish between CMS-1500 and UB-04 claims.

* Identify the information required to submit a clean claim.

* Understand electronic claims submission.

* Recognize common billing errors and how to prevent claim denials.

* Explain the importance of accurate coding and documentation.

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Key Vocabulary

Know these terms:

* CMS-1500

* UB-04 (CMS-1450)

* Clean claim

* Professional claim

* Institutional claim

* NPI (National Provider Identifier)

* ICD-10-CM

* CPT

* HCPCS Level II

* Place of Service (POS)

* Revenue Code

* Type of Bill

* Payer

* Subscriber

* Coordination of Benefits (COB)

* Electronic Data Interchange (EDI)

* Claims Scrubber

* Claim Rejection

* Claim Denial

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CMS-1500 Claim Form

Purpose

Used to bill for professional healthcare services.

Examples include:

* Physician offices

* Nurse practitioners

* Physician assistants

* Physical therapists

* Chiropractors

* Mental health providers

Information Included

* Patient demographics

* Insurance information

* Subscriber information

* Provider information

* NPI

* Diagnosis codes (ICD-10-CM)

* Procedure codes (CPT/HCPCS)

* Modifiers

* Dates of service

* Place of service

* Charges

* Units

* Referring provider information (when required)

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UB-04 Claim Form

Purpose

Used by institutional providers.

Examples include:

* Hospitals

* Skilled nursing facilities

* Rehabilitation centers

* Hospice

* Home health agencies

Information Included

* Revenue codes

* Type of Bill

* Admission date

* Discharge date

* Condition codes

* Occurrence codes

* Value codes

* Patient status

* Attending provider

* Diagnosis codes

* Procedure codes (when required)

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CMS-1500 vs. UB-04

CMS-1500 UB-04

Professional providers Institutional providers

Physician services Facility services

CPT/HCPCS procedures Revenue codes and facility billing information

Office visits Hospital stays

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Professional vs. Institutional Claims

Professional claims:

* Submitted by individual providers

* Focus on professional services

Institutional claims:

* Submitted by facilities

* Cover facility costs such as rooms, nursing care, supplies, and equipment

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Electronic Claims

Most claims today are submitted electronically.

Advantages include:

* Faster processing

* Fewer mistakes

* Lower costs

* Faster reimbursement

* Immediate error checking

Electronic claims are generally preferred over paper claims.

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Required Information for Every Claim

Every claim should include:

* Correct patient name

* Date of birth

* Insurance ID number

* Subscriber information

* Provider NPI

* Diagnosis codes

* Procedure codes

* Date of service

* Charges

* Units

* Provider signature (when required)

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Diagnosis and Procedure Codes

ICD-10-CM

Used to explain why the patient was treated.

Example:

Patient diagnosed with hypertension.

Diagnosis code explains the medical necessity.

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CPT Codes

Describe what service was performed.

Examples:

* Office visit

* Physical exam

* Surgery

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HCPCS Level II

Used for:

* Medical supplies

* Durable medical equipment

* Ambulance services

* Certain medications

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Place of Service (POS)

Indicates where care occurred.

Examples:

* Physician office

* Hospital

* Emergency room

* Nursing facility

* Patient’s home

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National Provider Identifier (NPI)

Every healthcare provider receives a unique 10-digit identification number.

Used on all insurance claims.

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Clean Claim

A clean claim is:

* Accurate

* Complete

* Correctly coded

* Submitted with all required information

Clean claims are processed faster.

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Common Claim Errors

Know these well.

Common mistakes include:

* Wrong insurance ID

* Misspelled patient name

* Incorrect birth date

* Missing diagnosis code

* Missing procedure code

* Invalid modifier

* Wrong NPI

* Incorrect Place of Service

* Missing signatures

* Incorrect dates

* Missing authorization

These errors may lead to rejected or denied claims.

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Claim Rejection vs. Claim Denial

Rejection

* Claim never enters processing.

* Usually due to missing or incorrect information.

* Can usually be corrected and resubmitted.

Denial

* Claim is processed but payment is refused.

* Often requires correction or an appeal.

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Coordination of Benefits (COB)

When a patient has more than one insurance plan:

* One plan pays first (primary).

* The second plan pays afterward (secondary).

Correct coordination prevents duplicate payments.

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Why Accurate Coding Matters

Incorrect coding can result in:

* Delayed payment

* Claim denial

* Fraud investigations

* Compliance issues

* Financial loss for the provider

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Exam Tips

Know:

✓ When to use CMS-1500

✓ When to use UB-04

✓ Difference between professional and institutional billing

✓ Purpose of ICD-10-CM

✓ Purpose of CPT

✓ Purpose of HCPCS Level II

✓ What makes a clean claim

✓ Common billing errors

✓ Difference between rejected and denied claims

✓ Importance of the NPI

✓ Role of Place of Service codes

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Practice Questions

1. Which claim form is used by physicians?

2. Which claim form is used by hospitals?

3. What coding system explains why a patient received treatment?

4. What coding system identifies what procedure was performed?

5. What is a clean claim?

6. What does NPI stand for?

7. Name three common claim errors.

8. What is the difference between a rejected claim and a denied claim?

9. What is the purpose of Coordination of Benefits?

10. Why are electronic claims preferred?

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Quick Memorization Chart

Remember Answer

CMS-1500 Professional providers

UB-04 Institutional providers

ICD-10-CM Diagnosis (why)

CPT Procedures (what)

HCPCS Level II Supplies, equipment, medications

NPI Provider identification

Clean claim Complete and accurate claim

Rejection Not processed

Denial Processed but not paid