HCFA-1500 Box 18 - Hospitalization Dates Related to Current Services
August 06, 2025Learn 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.
HCFA-1500 Box 17b - NPI
August 05, 2025Learn 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.
HCFA-1500 Box 17a - Other ID
August 04, 2025Learn how to complete Box 17a on the HCFA-1500 form, including common qualifiers like G2 and ID reporting requirements. Understand how this maps to the X12 837 REF segment.
HCFA-1500 Box 17 - Name of Referring Provider or Other Source
August 03, 2025Learn how to complete HCFA-1500 Box 17, which captures the referring, ordering, or supervising provider’s name. Includes qualifier codes (DN, DK, DQ) and how this maps to the X12 837 electronic format loops 2310A, 2310D, and 2420E.
HCFA-1500 Box 16 - Dates Patient Unable to Work in Current Occupation
August 03, 2025Learn how to complete Box 16 of the HCFA-1500 form, which reports the dates a patient was unable to work. Includes X12 837 mapping for DTP segments 314, 360, and 361.