42 CFR § 424.32 - Basic requirements for all claims.
(a) A claim must meet the following requirements:
(2) A claim for physician services, clinical psychologist services, or clinical social worker services must include appropriate diagnostic coding for those services using ICD-9-CM.
(4) A claim must be filed within the time limits specified in § 424.44.
(b) The prescribed forms for claims are the following:
(c) Where claims forms are available. Excluding forms CMS-1450 and CMS-1500, all claims forms prescribed for use in the Medicare program are distributed free-of-charge to the public, institutions, or organizations. The CMS-1450 and CMS-1500 may be obtained only by commercial purchase. All other claims forms can be obtained upon request from CMS or any Social Security branch or district office, or from Medicare intermediaries or carriers. The CMS-1490S is also available at local Social Security Offices.
(d) Submission of electronic claims -
(1) Definitions. For purposes of this paragraph, the following terms have the following meanings:
(i) Claim means a transaction defined at 45 CFR 162.1101(a).
(ii) Electronic claim means a claim that is submitted via electronic media. A claim submitted via direct data entry is considered to be an electronic claim.
(iii) Direct data entry is defined at 45 CFR 162.103.
(iv) Electronic media is defined at 45 CFR 160.103.
(v) Initial Medicare claim means a claim submitted to Medicare for payment under Part A or Part B of the Medicare Program under title XVIII of the Act for initial processing, including claims sent to Medicare for the first time for secondary payment purposes. Initial Medicare claim excludes any adjustment or appeal of a previously submitted claim, and claims submitted for payment under Part C of the Medicare program under title XVIII of the Act.
(viii) Small provider of services or small supplier means -
(A) A provider of services with fewer than 25 full-time equivalent employees; or
(B) A physician, practitioner, facility, or supplier with fewer than 10 full-time equivalent employees.
(2) Submission of electronic claims required. Except for claims to which paragraph (d)(3) or (d)(4) of this section applies, an initial Medicare claim may be paid only if submitted as an electronic claim for processing by the Medicare fiscal intermediary or carrier that serves the physician, practitioner, facility, supplier, or provider of services. This requirement does not apply to any other transactions, including adjustment or appeal of the initial Medicare claim.
(3) Exceptions to requirement to submit electronic claims. The requirement of paragraph (d)(2) of this section is waived for any initial Medicare claim when -
(i) There is no method available for the submission of an electronic claim. This exception includes claims submitted by Medicare beneficiaries and situations in which the standard adopted by the Secretary at 45 FR 162.1102 does not support all of the information necessary for payment of the claim. The Secretary may identify situations coming within this exception in guidance.
(ii) The entity submitting the claim is a small provider of services or small supplier.
(4) Unusual cases. The Secretary may waive the requirement of paragraph (d)(2) of this section in unusual cases as the Secretary finds appropriate. Unusual cases are deemed to exist in the following situations:
(i) The submission of dental claims.
(ii) There is a service interruption in the mode of submitting the electronic claim that is outside the control of the entity submitting the claim, for the period of the interruption.
(iii) The entity submitting the claim submits fewer than 10 claims to Medicare per month, on average.
(iv) The entity submitting the claim only furnishes services outside of the U.S. territory.
(v) On demonstration, satisfactory to the Secretary, of other extraordinary circumstances precluding submission of electronic claims.
(5) Effective date. This paragraph (d) is effective October 16, 2003, and applies to claims submitted on or after October 16, 2003.