FIELD 24D - Procedures, Services, or Supplies [lines 1–6]
“Procedures, Services or Supplies” identify the medical services and procedures provided to the patient.
NUCC INSTRUCTIONS: Enter the CPT or HCPCS code(s) and modifier(s) (if applicable) from the appropriate code set in effect on the date of service. This field accommodates the entry of up to four 2-character modifiers. The specific procedure code(s) must be shown without a narrative description.
MEDICARE INSTRUCTIONS: Enter the procedures, services, or supplies using the CMS Healthcare Common Procedure Coding System (HCPCS) code. When applicable, show HCPCS code modifiers with the HCPCS code. The CMS-1500 claim form has the capacity to capture up to four modifiers.
Enter the specific procedure code without a narrative description. However, when reporting an "unlisted procedure code" or a "not otherwise classified" (NOC) code, include a narrative description in item 19 if a coherent description can be given within the confines of that box. Otherwise, an attachment shall be submitted with the claim. This is a required field.
Return as unprocessable if an "unlisted procedure code" or a NOC code is indicated in item 24d, but an accompanying narrative is not present in item 19 or on an attachment.
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