Explore the ICD-10-CM code list with our advanced search tool
Browse a categorized list of ICD-10-CM codes organized by chapters based on body systems or medical conditions
Search current National Provider Identifier (NPI) records using our advanced NPI Lookup tool
Verify the validity of 10 & 15 position NPI numbers
Searchable Payer id code list - Comm, BCBS, MDCR, MDCD
Popular resource tools:
HCFA-1500 Box 20 indicates if lab work was performed by an outside laboratory. Learn how this maps to the X12 837P 5010 PS1 segment with examples and usage tips.
Learn how HCFA-1500 Box 19 maps to the X12 837P 5010 transaction, including common segments like NTE, PWK, and provider loops. Understand usage examples and documentation requirements.
Learn how the 2300 PWK segment is used in the X12 837P (4010) professional claim to link healthcare attachments such as operative notes or referrals using attachment control numbers.
Learn how to correctly use the PWK segment in the 2300 loop of the X12 837P (5010) claim to submit supporting documentation like operative notes or medical records. Includes code examples and payer compliance tips.
Learn how to properly complete Box 18 on the HCFA-1500 form to report hospitalization admission and discharge dates, and how they map to the 2300 DTP segments in the X12 837 (5010) transaction.
Learn how to correctly populate Box 17b on the HCFA-1500 claim form with the provider's National Provider Identifier (NPI), and how it maps to the X12 837 format.