A comprehensive list of both diagnosis and procedural ICD-10 codes, indexes and coding rules, as well as a conversion chart to ICD-10 from ICD-9, is available at ICD10Data.com. Listed in alpha-numeric order, the code lists on the site can be easily accessed for study purposes as of 2015.
The ICD-10 codes are set to replace ICD-9 codes in October of 2015, and the switch requires all health care plans, providers and clearinghouses to use ICD-10, according to ICD10Data.com. The site acts as a free reference for both learning about codes and searching for code conversions.
Another site with educational information about ICD-10 codes and how the switch to ICD-10 from ICD-9 affects health care providers and medical billers is Roadto10.org. The change to ICD-10 affects inpatient procedure and diagnosis for anyone covered by the Health Insurance Portability Accountability Act. To prepare providers and new coders for the change, the site offers a structural breakdown of how the ICD-10 coding system works as well as indexes of all the codes. There are indexes available for both diagnosis codes and procedure codes. The free indexes are available as both preparation and study guides to assist those who need to learn ICD-10 codes and coding procedures.