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PDFWAC 182-535-1082

CoveredPreventive services.

Clients described in WAC 182-535-1060 are eligible for the dental-related preventive services listed in this section, subject to coverage limitations and client-age requirements identified for a specific service.
(1) Prophylaxis. The medicaid agency covers prophylaxis as follows. Prophylaxis:
(a) Includes scaling and polishing procedures to remove coronal plaque, calculus, and stains when performed on primary or permanent dentition.
(b) Is limited to once every:
(i) Six months for clients age eighteen and younger;
(ii) Twelve months for clients age nineteen and older; or
(iii) Six months for a client residing in an alternate living facility or nursing facility.
(c) Is reimbursed according to (b) of this subsection when the service is performed:
(i) At least six months after periodontal scaling and root planing, or periodontal maintenance services, for clients from age thirteen through eighteen;
(ii) At least twelve months after periodontal scaling and root planing, periodontal maintenance services, for clients age nineteen and older; or
(iii) At least six months after periodontal scaling and root planing, or periodontal maintenance services for clients who reside in an alternate living facility or nursing facility.
(d) Is not reimbursed separately when performed on the same date of service as periodontal scaling and root planing, periodontal maintenance, gingivectomy, gingivoplasty, or scaling in the presence of generalized moderate or severe gingival inflammation.
(e) Is covered for clients of the developmental disabilities administration of the department of social and health services (DSHS) according to (a), (c), and (d) of this subsection and WAC 182-535-1099.
(2) Topical fluoride treatment. The agency covers the following per client, per provider or clinic:
(a) Fluoride rinse, foam or gel, fluoride varnish, including disposable trays, for clients age six and younger, three times within a twelve-month period with a minimum of one hundred ten days between applications.
(b) Fluoride rinse, foam or gel, fluoride varnish, including disposable trays, for clients from age seven through eighteen, two times within a twelve-month period with a minimum of one hundred seventy days between applications.
(c) Fluoride rinse, foam or gel, fluoride varnish, including disposable trays, every three times within a twelve-month period during orthodontic treatment with a minimum of one hundred ten days between applications.
(d) Fluoride rinse, foam or gel, fluoride varnish, including disposable trays, for clients age nineteen and older, once within a twelve-month period.
(e) Fluoride rinse, foam or gel, fluoride varnish, including disposable trays, for clients who reside in alternate living facilities or nursing facilities, every two times within a twelve-month period with a minimum of one hundred seventy days between applications.
(f) Additional topical fluoride applications only on a case-by-case basis and when prior authorized.
(g) Topical fluoride treatment for clients of the developmental disabilities administration of DSHS according to WAC 182-535-1099.
(3) Silver diamine fluoride.
(a) The agency covers silver diamine fluoride as follows:
(i) When used for stopping the progression of caries or as a topical preventive agent;
(ii) Allowed two times per client per tooth in a twelve-month period; and
(iii) Cannot be billed with interim therapeutic restoration on the same tooth when arresting caries or as a preventive agent.
(b) The dental provider or office must have a signed informed consent form on file for each client receiving a silver diamine fluoride application. The form must include the following:
(i) Benefits and risks of silver diamine fluoride application;
(ii) Alternatives to silver diamine fluoride application; and
(iii) A color photograph example that demonstrates the post-procedure blackening of a tooth with silver diamine fluoride application.
(4) Oral hygiene instruction. Includes instruction for home care such as tooth brushing technique, flossing, and use of oral hygiene aids. Oral hygiene instruction is included as part of the global fee for prophylaxis for clients age nine and older. The agency covers individualized oral hygiene instruction for clients age eight and younger when all of the following criteria are met:
(a) Only once per client every six months within a twelve-month period.
(b) Only when not performed on the same date of service as prophylaxis or within six months from a prophylaxis by the same provider or clinic.
(c) Only when provided by a licensed dentist or a licensed dental hygienist and the instruction is provided in a setting other than a dental office or clinic.
(5) Tobacco/nicotine cessation counseling for the control and prevention of oral disease. The agency covers tobacco/nicotine cessation counseling for pregnant women only. See WAC 182-531-1720.
(6) Sealants. The agency covers:
(a) Sealants for clients age twenty and younger and clients any age of the developmental disabilities administration of DSHS.
(b) Sealants, other than glass ionomer cement, only when used on a mechanically or chemically prepared enamel surface.
(c) Sealants once per tooth:
(i) In a three-year period for clients age twenty and younger; and
(ii) In a two-year period for clients any age of the developmental disabilities administration of DSHS according to WAC 182-535-1099.
(d) Sealants only when used on the occlusal surfaces of:
(i) Permanent teeth two, three, fourteen, fifteen, eighteen, nineteen, thirty, and thirty-one; and
(ii) Primary teeth A, B, I, J, K, L, S, and T.
(e) Sealants on noncarious teeth or teeth with incipient caries.
(f) Sealants only when placed on a tooth with no preexisting occlusal restoration, or any occlusal restoration placed on the same day.
(g) Sealants are included in the agency's payment for occlusal restoration placed on the same day.
(h) Additional sealants not described in this subsection on a case-by-case basis and when prior authorized.
(7) Space maintenance. The agency covers:
(a) One fixed unilateral space maintainer per quadrant or one fixed bilateral space maintainer per arch, including recementation, for missing primary molars A, B, I, J, K, L, S, and T, when:
(i) Evidence of pending permanent tooth eruption exists; and
(ii) The service is not provided during approved orthodontic treatment.
(b) Replacement space maintainers on a case-by-case basis when authorized.
(c) The removal of fixed space maintainers when removed by a different provider.
(i) Space maintainer removal is allowed once per appliance.
(ii) Reimbursement for space maintainer removal is included in the payment to the original provider that placed the space maintainer.
[Statutory Authority: RCW 41.05.021, 41.05.160 and 2017 3rd sp.s. c 1 § 213 (1)(c). WSR 19-09-058, § 182-535-1082, filed 4/15/19, effective 7/1/19. Statutory Authority: RCW 41.05.021 and 41.05.160. WSR 17-20-097, § 182-535-1082, filed 10/3/17, effective 11/3/17; WSR 16-18-033, § 182-535-1082, filed 8/26/16, effective 9/26/16. Statutory Authority: RCW 41.05.021 and 2013 2nd sp.s. c 4 § 213. WSR 14-08-032, § 182-535-1082, filed 3/25/14, effective 4/30/14. Statutory Authority: RCW 41.05.021. WSR 12-09-081, § 182-535-1082, filed 4/17/12, effective 5/18/12. WSR 11-14-075, recodified as § 182-535-1082, filed 6/30/11, effective 7/1/11. Statutory Authority: RCW 74.08.090, 74.09.500, 74.09.520. WSR 07-06-042, § 388-535-1082, filed 3/1/07, effective 4/1/07.]
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