N.M. Admin. Code § 13.10.12.8 - REQUIREMENTS FOR USE OF HCFA FORM 1500

A. Issuers shall accept from health care practitioners other than dentists the HCFA form 1500 for claims for professional services.

B. Issuers may not require health care practitioners to use any coding system for the initial filing of claims for health care services other than the following:

(1) HCPCS codes; and

(2) ICD - 9 - CM codes.

C. Issuers may not require health care practitioners to use any other descriptor with a code or to furnish additional information with the initial submission of a HCFA form 1500 except under the following circumstances:

(1) when the procedure code used describes a treatment or service that is not otherwise classified; or

(2) when the procedure code is followed by the CPT-4 modifier 22, 52 or 99. Health care practitioners may use item 19 of the HCFA form 1500 to explain multiple modifiers, unless item 19 is used for other purposes in accordance with the instructions for this form.

D. Health care practitioners utilizing HCFA form 1500 shall:

(1) follow HCFA's instructions for use of the form;

(2) when amending a form previously submitted to the issuer, insert the word "amended" in the space provided in Box 19 of the form;

(3) if billing patients directly, provide a properly completed HCFA form 1500 in addition to any other explanatory information used to bill the patient when requested by the patient;

(4) if billing for services based on the amount of time involved, define on line 19 the time interval in item 24 G of the HCFA form 1500. If not defined, units will be assumed to be days of treatment; and

(5) provide the unique physician identification number assigned by HCFA in box 17a, and the federal tax identification number or social security number in Item 25.

Notes

N.M. Admin. Code § 13.10.12.8

7/1/94, 7/1/97; Recompiled 11/30/01