Glossary

Medical Billing and Coding Specialist Terms & Vocabulary

15 essential medical billing and coding specialist terms with plain-English definitions: the vocabulary you’ll hear in training and on day one.

Updated By the Career Education Institute Curriculum Team
Key medical billing and coding specialist vocabulary

These 15 terms come up constantly in medical billing and coding specialist training, on the job and in interviews. Knowing them helps you follow instructions, document accurately and sound prepared.

Accounts receivable (A/R)
Money owed to the provider that has not yet been collected.
Clearinghouse
A company that checks and forwards electronic claims to insurers.
CMS-1500
The standard claim form for professional (physician) services.
CPT
Current Procedural Terminology, five-digit codes for medical services and procedures, maintained by the AMA.
Denial
A payer’s refusal to pay a claim, which may be corrected and resubmitted or appealed.
E/M coding
Evaluation and management codes for office visits and other patient encounters.
EOB / ERA
Explanation of benefits / electronic remittance advice: the payer’s explanation of what was paid and why.
HCPCS Level II
Codes for supplies, equipment, drugs and services not in CPT, such as ambulance services.
ICD-10-CM
The diagnosis coding system used in the U.S. for all healthcare settings.
Medical necessity
Whether a service is reasonable and necessary for the patient’s diagnosis.
Modifier
A two-character code added to a CPT or HCPCS code to give more information, such as -25 or -59.
NCCI edits
National Correct Coding Initiative rules that prevent improper code combinations.
Provider query
A compliant question to a provider to clarify documentation.
Revenue cycle
The full process from patient registration to final payment.
UB-04
The standard claim form for institutional (facility) services.

Practice these terms

Test yourself with the free Medical Billing and Coding Specialist practice test: it includes vocabulary questions built from this list. For a complete course, see Medical Billing and Coding Specialist training.

Browse terms from every career in our career glossary.

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