The term “preexisting condition exclusion” means, with respect to coverage, a limitation or exclusion of benefits relating to a condition based on the fact that the condition was present before the date of enrollment for such coverage, whether or not any medical advice, diagnosis, care, or treatment was recommended or received before such date.
A period of creditable coverage shall not be counted, with respect to enrollment of an individual under a group or individual health plan, if, after such period and before the enrollment date, there was a 63-day period during all of which the individual was not covered under any creditable coverage.
For purposes of subparagraph (A) and subsection (d)(4), any period that an individual is in a waiting period for any coverage under a group or individual health plan (or for group health insurance coverage) or is in an affiliation period (as defined in subsection (g)(2)) shall not be taken into account in determining the continuous period under subparagraph (A).
In the case of a TAA-eligible individual, the period beginning on the date the individual has a TAA-related loss of coverage and ending on the date that is 7 days after the date of the issuance by the Secretary (or by any person or entity designated by the Secretary) of a qualified health insurance costs credit eligibility certificate for such individual for purposes of section 7527 of title 26 shall not be taken into account in determining the continuous period under subparagraph (A).
Except as otherwise provided under subparagraph (B), for purposes of applying subsection (a)(3),1 a group health plan, and a health insurance issuer offering group or individual health insurance coverage, shall count a period of creditable coverage without regard to the specific benefits covered during the period.
A group health plan, or a health insurance issuer offering group or individual health insurance, may elect to apply subsection (a)(3) 1 based on coverage of benefits within each of several classes or categories of benefits specified in regulations rather than as provided under subparagraph (A). Such election shall be made on a uniform basis for all participants and beneficiaries. Under such election a group health plan or issuer shall count a period of creditable coverage with respect to any class or category of benefits if any level of benefits is covered within such class or category.
Subject to paragraph (4), a group health plan, and a health insurance issuer offering group or individual health insurance coverage, may not impose any preexisting condition exclusion in the case of an individual who, as of the last day of the 30-day period beginning with the date of birth, is covered under creditable coverage.
Subject to paragraph (4), a group health plan, and a health insurance issuer offering group or individual health insurance coverage, may not impose any preexisting condition exclusion in the case of a child who is adopted or placed for adoption before attaining 18 years of age and who, as of the last day of the 30-day period beginning on the date of the adoption or placement for adoption, is covered under creditable coverage. The previous sentence shall not apply to coverage before the date of such adoption or placement for adoption.
To the extent that medical care under a group health plan consists of group health insurance coverage, the plan is deemed to have satisfied the certification requirement under this paragraph if the health insurance issuer offering the coverage provides for such certification in accordance with this paragraph.
The employee or dependent is covered under a Medicaid plan under title XIX of the Social Security Act [42 U.S.C. 1396 et seq.] or under a State child health plan under title XXI of such Act [42 U.S.C. 1397aa et seq.] and coverage of the employee or dependent under such a plan is terminated as a result of loss of eligibility for such coverage and the employee requests coverage under the group health plan (or health insurance coverage) not later than 60 days after the date of termination of such coverage.
The employee or dependent becomes eligible for assistance, with respect to coverage under the group health plan or health insurance coverage, under such Medicaid plan or State child health plan (including under any waiver or demonstration project conducted under or in relation to such a plan), if the employee requests coverage under the group health plan or health insurance coverage not later than 60 days after the date the employee or dependent is determined to be eligible for such assistance.
Each employer that maintains a group health plan in a State that provides medical assistance under a State Medicaid plan under title XIX of the Social Security Act [42 U.S.C. 1396 et seq.], or child health assistance under a State child health plan under title XXI of such Act [42 U.S.C. 1397aa et seq.], in the form of premium assistance for the purchase of coverage under a group health plan, shall provide to each employee a written notice informing the employee of potential opportunities then currently available in the State in which the employee resides for premium assistance under such plans for health coverage of the employee or the employee’s dependents. For purposes of compliance with this subclause, the employer may use any State-specific model notice developed in accordance with section 1181(f)(3)(B)(i)(II) of title 29.
An employer may provide the model notice applicable to the State in which an employee resides concurrent with the furnishing of materials notifying the employee of health plan eligibility, concurrent with materials provided to the employee in connection with an open season or election process conducted under the plan, or concurrent with the furnishing of the summary plan description as provided in section 1024(b) of title 29.
In the case of an enrollee in a group health plan who is covered under a Medicaid plan of a State under title XIX of the Social Security Act [42 U.S.C. 1396 et seq.] or under a State child health plan under title XXI of such Act [42 U.S.C. 1397aa et seq.], the plan administrator of the group health plan shall disclose to the State, upon request, information about the benefits available under the group health plan in sufficient specificity, as determined under regulations of the Secretary of Health and Human Services in consultation with the Secretary that require use of the model coverage coordination disclosure form developed under section 311(b)(1)(C) of the Children’s Health Insurance  Reauthorization Act of 2009, so as to permit the State to make a determination (under paragraph (2)(B), (3), or (10) of section 2105(c) of the Social Security Act [42 U.S.C. 1397ee(c)(2)(B), (3), (10)] or otherwise) concerning the cost-effectiveness of the State providing medical or child health assistance through premium assistance for the purchase of coverage under such group health plan and in order for the State to provide supplemental benefits required under paragraph (10)(E) of such section or other authority.
For purposes of this subchapter, the term “affiliation period” means a period which, under the terms of the health insurance coverage offered by the health maintenance organization, must expire before the health insurance coverage becomes effective. The organization is not required to provide health care services or benefits during such period and no premium shall be charged to the participant or beneficiary for any coverage during the period.
A health maintenance organization described in paragraph (1) may use alternative methods, from those described in such paragraph, to address adverse selection as approved by the State insurance commissioner or official or officials designated by the State to enforce the requirements of this part for the State involved with respect to such issuer.