Field 4 of the Uniform Bill (UB-04) claim form that requires the facility code preceded by a leading zero as specified in the UB-04 (CMS-1450) Manual Billing Procedures .

Classification of an insurance agreement (e.g., one person, two persons, or family membership; group or individual policy).

Numeric or alpha code that indicates the medical service. When the physician’s office or an outpatient hospital is billing, the code is inserted in Block 24C of the CMS-1500 insurance claim form (e.g., 1 is medical care, 2 is surgery, D is hospice).U