42 C.F.R. § 424.22
Medicare Part A or Part B pays for home health services only if a physician or allowed practitioner as defined at § 484.2 of this chapter certifies and recertifies the content specified in paragraphs (a)(1) and (b)(2) of this section, as appropriate.
(a) Certification—(1) Content of certification. As a condition for payment of home health services under Medicare Part A or Medicare Part B, a physician or allowed practitioner must certify the patient's eligibility for the home health benefit, as outlined in sections 1814(a)(2)(C) and 1835(a)(2)(A) of the Act, as follows in paragraphs (a)(1)(i) through (v) of this section. The patient's medical record, as specified in paragraph (c) of this section, must support the certification of eligibility as outlined in paragraph (a)(1)(i) through (v) of this section.
(v) A face-to-face patient encounter, which is related to the primary reason the patient requires home health services, occurred no more than 90 days prior to the home health start of care date or within 30 days of the start of the home health care and was performed by physician or non-physician practitioner defined in paragraph (a)(1)(v)(A) of this section. The certifying physician or certifying allowed practitioner must also document the date of the encounter as part of the certification.
(A) The face-to-face encounter must be performed by one of the following:
(1) A physician (as defined at § 484.2 of this chapter).
(2) A nurse practitioner (as defined at § 484.2 of this chapter).
(3) A clinical nurse specialist (as defined at § 484.2 of this chapter).
(4) A physician assistant (as defined at § 484.2 of this chapter).
(5) A certified nurse-midwife (as defined in section 1861(gg) of the Act) as authorized by State law.
(b) Recertification—(1) Timing and signature of recertification. Recertification is required at least every 60 days when there is a need for continuous home health care after an initial 60-day episode. Recertification should occur at the time the plan of care is reviewed, and must be signed and dated by the physician or allowed practitioner who reviews the plan of care. Recertification is required at least every 60 days unless there is a—
(2) Content and basis of recertification. As a condition for payment of home health services under Medicare Part A or Medicare Part B, if there is a continuing need for home health services, a physician or allowed practitioner must recertify the patient's continued eligibility for the home health benefit as outlined in sections 1814(a)(2)(C) and 1835(a)(2)(A) of the Act, as set forth in paragraph (a)(1) of this section, and as specified in paragraphs (b)(2)(i) and (ii) of this section.
(ii) If a patient's underlying condition or complication requires a registered nurse to ensure that essential non-skilled care is achieving its purpose, and necessitates a registered nurse be involved in the development, management, and evaluation of a patient's care plan, the physician or allowed practitioner must include a brief narrative describing the clinical justification of this need. If the narrative—
(c) Determining patient eligibility for Medicare home health services.
(1) Documentation in the certifying physician or allowed practitioner's medical record or the acute/post-acute care facility's medical records (if the patient was directly admitted to home health) or both must be used as the basis for certification of the patient's eligibility for home health as described in paragraphs (a)(1) and (b) of this section. Documentation from the HHA may also be used to support the basis for certification of home health eligibility, but only if the following requirements are met:
(ii)
(d) Limitation of the performance of physician or allowed practitioner's certification and plan of care functions. The need for home health services to be provided by an HHA may not be certified or recertified, and a plan of care may not be established and reviewed, by any physician or allowed practitioner who has a financial relationship as defined in § 411.354 of this chapter, with that HHA, unless the physician or allowed practitioner's relationship meets one of the exceptions in section 1877 of the Act, which sets forth general exceptions to the referral prohibition related to both ownership/investment and compensation; exceptions to the referral prohibition related to ownership or investment interests; and exceptions to the referral prohibition related to compensation arrangements.
[53 FR 6638, Mar. 2, 1988; 53 FR 12945, Apr. 20, 1988; 56 FR 8845, Mar. 1, 1991, as amended at 65 FR 41211, July 3, 2000; 66 FR 962, Jan. 4, 2001; 70 FR 70334, Nov. 21, 2005; 72 FR 51098, Sept. 5, 2007; 74 FR 58133, Nov. 10, 2009; 75 FR 70463, Nov. 17, 2010; 76 FR 9503, Feb. 18, 2011; 76 FR 68606, Nov. 4, 2011; 77 FR 67163, Nov. 8, 2012; 79 FR 66116, Nov. 6, 2014; 80 FR 68717, Nov. 5, 2015; 83 FR 56627, Nov. 13, 2018; 85 FR 27624, May 8, 2020; 90 FR 55607, Dec. 2, 2025]