MedicalCodeSets.org provides free search tools and code information for the following code sets:

ICD-9-CM v1 2013 - Volume 1: Diagnosis - ICD-9-CM is used to code and classify morbidity data from the inpatient and outpatient records, physician offices, and most National Center for Health Statistics (NCHS) surveys.
ICD-9-CM v3 2013 - Volume 3: Procedures - Primarily used by Hospitals and other providers designated as a "facility" by CMS.
ICD-10-CM 2013 - The diagnosis classification system developed by the Centers for Disease Control and Prevention for use in all U.S. health care treatment settings.
ICD-10-PCS 2013 - The ICD-10 Procedure Coding System (ICD-10-PCS) is a system of medical classification used for procedural codes.
HCPCS 2013 - Level II - HCPCS codes are alphanumeric and primarily include non-physician services such as ambulance services and prosthetic devices, and represent items and supplies and non-physician services not covered by CPT-4 codes (Level I).

NOTE: HCPCS Level I codes, commonly known as CPT® codes, are copyright by the American Medical Association (AMA) and may only be displayed to individuals who have purchased an approved and licensed product. They are not found on MedicalCodeSets.org.