HCFA-1500 Box 31 - Signature of Physician or Supplier Including Degrees or Credentials
August 25, 2025HCFA-1500 Box 31 captures the provider’s signature and date, certifying claim accuracy. In the 837P 5010, this maps to CLM06, typically reported as “Y” (signature on file).
HCFA-1500 Box 30 - Rsvd for NUCC Use
August 25, 2025HCFA-1500 Box 30 is reserved for NUCC use on the 02/12 form and should be left blank; there is no 837P mapping or data entry required.
HCFA-1500 Box 29 - Amount Paid
August 25, 2025HCFA-1500 Box 29 reports the amount already paid by the patient or another insurer. Learn how this value maps to AMT02 in the X12 837P 5010 at the claim or COB level.
HCFA-1500 Box 28 - Total Charge
August 25, 2025HCFA-1500 Box 28 reports the total charges for a claim. Learn how this amount maps to CLM02 in the X12 837P 5010 and why it must match the sum of all service line charges.
HCFA-1500 Box 27 - Accept Assignment
August 25, 2025HCFA-1500 Box 27 indicates whether the provider accepts assignment of benefits. Learn how “Yes” or “No” maps to CLM07 in the X12 837P 5010 and what it means for claim processing.