Code Sets Overview

Under HIPAA, HHS adopted specific code sets for diagnoses and procedures used in all transactions.

Code Sets Basics (PDF)

About Code Sets

Code sets classify medical:

• Diagnoses
• Procedures
• Diagnostic tests
• Treatments
• Equipment and supplies

They inform diverse health care functions, from billing to tracking public health.

HIPAA Code Sets

Code sets outlined in HIPAA regulations include:

• ICD-10 – International Classification of Diseases, 10^th edition
• Health Care Common Procedure Coding System (HCPCS)
• CPT-Current Procedure Terminology
• CDT – Code on Dental Procedures and Nomenclature
• NDC – National Drug Codes

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