As used in sections 3701.504 to 3701.509 of the Revised Code:

(A) “Parent” means either parent, unless the parents are separated or divorced or their marriage has been dissolved or annulled, in which case “parent” means the parent who is the residential parent and legal custodian.

(B) “Guardian” has the same meaning as in section 2111.01 of the Revised Code.

(C) “Custodian” means, except as used in division (A) of this section, a government agency or an individual, other than the parent or guardian, with legal or permanent custody of a child as defined in section 2151.011 of the Revised Code.

(D) “Hearing screening” means the identification of newborns and infants who may have a hearing impairment, through the use of a physiologic test.

(E) “Hearing evaluation” means evaluation through the use of audiological procedures by an audiologist or physician.

(F) “Hearing impairment” means a loss of hearing in one or both ears in the frequency region important for speech recognition and comprehension.

(G) “Newborn” means a child who is less than thirty days old.

(H) “Infant” means a child who is at least thirty days but less than twenty-four months old.

(I) “Freestanding birthing center” has the same meaning as in section 3702.141 of the Revised Code.

(J) “Physician” means an individual authorized under Chapter 4731. of the Revised Code to practice medicine and surgery or osteopathic medicine and surgery.

(K) “Audiologist” means an individual authorized under section 4753.07 of the Revised Code to practice audiology.

(L) “Hospital” means a hospital that has a maternity unit or newborn nursery.

(M) “Maternity unit” means any unit or place in a hospital where women are regularly received and provided care during all or part of the maternity cycle, except that “maternity unit” does not include an emergency department or similar place dedicated to providing emergency health care.

(N) “Board of health” means the board of health of a city or general health district or the authority having the duties of a board of health under section 3709.05 of the Revised Code.