42 C.F.R. § 422.52
(b) Basic eligibility requirements. Except as provided in paragraph (c) of this section, to be eligible to elect an SNP, an individual must:
(f) Establishing eligibility for enrollment.
(1) For enrollments into an SNP that exclusively enrolls individuals that have severe or disabling chronic conditions (C-SNP), the organization must contact the applicant's current health care provider, who is a physician as defined in section 1861(r)(1) of the Act, physician assistant as defined in section 1861(aa)(5)(A) of the Act and who meets the qualifications specified in § 410.74(c) of this chapter, or a nurse practitioner as defined in section 1861(aa)(5)(A) of the Act and who meets the qualifications specified in § 410.75(b)(1)(i) and (ii) of this chapter to confirm that the applicant has the qualifying condition(s). The organization must obtain this information in one of the following two ways described in paragraph (f)(1)(i) or (ii) of this section:
(ii) Through an assessment with the enrollee using a pre-enrollment qualification assessment tool (PQAT) where the assessment and the information gathered are verified (as described in paragraph (f)(1)(iii) of this section) before the end of the first month of enrollment in the C-SNP. Use of a PQAT requires the following:
(A) The PQAT must do all of the following:
(1) Include clinically appropriate questions relevant to the chronic condition(s) on which the C-SNP focuses.
(2) Gather sufficient reliable evidence of having the applicable condition using the applicant's past medical history, current signs or symptoms, and current medications.
(3) Include the date and time of the assessment completion if done face-to-face with the applicant, or the receipt date if the C-SNP receives the completed PQAT by mail or by electronic means (if available).
(4) Include a signature line for and, once completed, be signed by the current health care provider specified in paragraph (f)(1) of this section to confirm the individual's eligibility for C-SNP enrollment.
(D) (1) The C-SNP tracks the total number of enrollees and the number and percent by condition whose post-enrollment verification matches the pre-enrollment assessment.
(2) Data and supporting documentation are made available upon request by CMS.
(E) If the organization does not obtain verification of the enrollees' required chronic condition(s) by the end of the first month of enrollment in the C-SNP, the organization must—
(1) Disenroll the enrollee as of the end of the second month of enrollment; and
(2) Send the enrollee notice of the disenrollment within the first 7 calendar days of the second month of enrollment.
[70 FR 4716, Jan. 28, 2005, as amended at 74 FR 1541, Jan. 12, 2009; 85 FR 33901, June 2, 2020; 89 FR 30814, Apr. 23, 2024]