42 CFR § 136.25 - Reconsideration and appeals.
(a) Any person to whom contract health services are denied shall be notified of the denial in writing together with a statement of the reason for the denial. The notice shall advise the applicant for contract health services that within 30 days from the receipt of the notice the applicant:
(1) May obtain a reconsideration by the appropriate Service Unit Director of the original denial if the applicant submits additional supporting information not previously submitted; or
(2) If no additional information is submitted, may appeal the original denial by the Service Unit Director to the appropriate Area or program director. A request for reconsideration or appeal shall be in writing and shall set forth the grounds supporting the request or appeal.
(b) If the original decision is affirmed on reconsideration, the applicant shall be so notified in writing and advised that an appeal may be taken to the Area or program director within 30 days of receipt of the notice of the reconsidered decision. The appeal shall be in writing and shall set forth the grounds supporting the appeal.
(c) If the original or reconsidered decision is affirmed on appeal by the Area or program director, the applicant shall be so notified in writing and advised that a further appeal may be taken to the Director, Indian Health Service, within 30 days of receipt of the notice. The appeal shall be in writing and shall set the grounds supporting the appeal. The decision of the Director, Indian Health Service, shall constitute final administrative action.