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PDFWAC 182-535-1084

Dental-related servicesCoveredRestorative services.

Clients described in WAC 182-535-1060 are eligible for the dental-related restorative services listed in this section, subject to coverage limitations, restrictions, and client age requirements identified for a specific service.
(1) Amalgam and resin restorations for primary and permanent teeth. The medicaid agency considers:
(a) Tooth preparation, acid etching, all adhesives (including bonding agents), liners and bases, indirect and direct pulp capping, polishing, and curing as part of the restoration.
(b) Occlusal adjustment of either the restored tooth or the opposing tooth or teeth as part of the restoration.
(c) Restorations placed within six months of a crown preparation by the same provider or clinic to be included in the payment for the crown.
(2) Limitations for all restorations. The agency:
(a) Considers multiple restoration involving the proximal and occlusal surfaces of the same tooth as a multisurface restoration, and limits reimbursement to a single multisurface restoration.
(b) Considers multiple restorative resins, flowable composite resins, or resin-based composites for the occlusal, buccal, lingual, mesial, and distal fissures and grooves on the same tooth as a one-surface restoration.
(c) Considers multiple restorations of fissures and grooves of the occlusal surface of the same tooth as a one-surface restoration.
(d) Considers resin-based composite restorations of teeth where the decay does not penetrate the dentinoenamel junction (DEJ) to be sealants. (See WAC 182-535-1082 for sealant coverage.)
(e) Reimburses proximal restorations that do not involve the incisal angle on anterior teeth as a two-surface restoration.
(f) Covers only one buccal and one lingual surface per tooth. The agency reimburses buccal or lingual restorations, regardless of size or extension, as a one-surface restoration.
(g) Does not cover preventive restorative resin or flowable composite resin on the interproximal surfaces (mesial or distal) when performed on posterior teeth or the incisal surface of anterior teeth.
(h) Does not pay for replacement restorations within a two-year period unless the restoration is cracked or broken or has an additional adjoining carious surface. The agency pays for the replacement restoration as one multisurface restoration. The client's record must include X-rays or documentation supporting the medical necessity for the replacement restoration.
(3) Additional limitations for restorations on primary teeth. The agency covers:
(a) A maximum of two surfaces for a primary first molar. (See subsection (6) of this section for a primary first molar that requires a restoration with three or more surfaces.) The agency does not pay for additional restorations on the same tooth.
(b) A maximum of three surfaces for a primary second molar. (See subsection (6) of this section for a primary posterior tooth that requires a restoration with four or more surfaces.) The agency does not pay for additional restorations on the same tooth.
(c) A maximum of three surfaces for a primary anterior tooth. (See subsection (6) of this section for a primary anterior tooth that requires a restoration with four or more surfaces.) The agency does not pay for additional restorations on the same tooth after three surfaces.
(4) Additional limitations for restorations on permanent teeth. The agency covers:
(a) Two occlusal restorations for the upper molars on teeth one, two, three, fourteen, fifteen, and sixteen if, the restorations are anatomically separated by sound tooth structure.
(b) A maximum of five surfaces per tooth for permanent posterior teeth, except for upper molars. The agency allows a maximum of six surfaces per tooth for teeth one, two, three, fourteen, fifteen, and sixteen.
(c) A maximum of six surfaces per tooth for resin-based composite restorations for permanent anterior teeth.
(5) Crowns. The agency:
(a) Covers the following indirect crowns once every five years, per tooth, for permanent anterior teeth for clients age fifteen through twenty when the crowns meet prior authorization criteria in WAC 182-535-1220 and the provider follows the prior authorization requirements in (c) of this subsection:
(i) Porcelain/ceramic crowns to include all porcelains, glasses, glass-ceramic, and porcelain fused to metal crowns; and
(ii) Resin crowns and resin metal crowns to include any resin-based composite, fiber, or ceramic reinforced polymer compound.
(b) Considers the following to be included in the payment for a crown:
(i) Tooth and soft tissue preparation;
(ii) Amalgam and resin-based composite restoration, or any other restorative material placed within six months of the crown preparation. Exception: The agency covers a one-surface restoration on an endodontically treated tooth, or a core buildup or cast post and core;
(iii) Temporaries, including but not limited to, temporary restoration, temporary crown, provisional crown, temporary prefabricated stainless steel crown, ion crown, or acrylic crown;
(iv) Packing cord placement and removal;
(v) Diagnostic or final impressions;
(vi) Crown seating (placement), including cementing and insulating bases;
(vii) Occlusal adjustment of crown or opposing tooth or teeth; and
(viii) Local anesthesia.
(c) Requires the provider to submit the following with each prior authorization request:
(i) Radiographs to assess all remaining teeth;
(ii) Documentation and identification of all missing teeth;
(iii) Caries diagnosis and treatment plan for all remaining teeth, including a caries control plan for clients with rampant caries;
(iv) Pre- and post-endodontic treatment radiographs for requests on endodontically treated teeth; and
(v) Documentation supporting a five-year prognosis that the client will retain the tooth or crown if the tooth is crowned.
(d) Requires a provider to bill for a crown only after delivery and seating of the crown, not at the impression date.
(6) Other restorative services. The agency covers the following restorative services:
(a) All recementations of permanent indirect crowns.
(b) Prefabricated stainless steel crowns, including stainless steel crowns with resin window, resin-based composite crowns (direct), prefabricated esthetic coated stainless steel crowns, and prefabricated resin crowns for primary anterior teeth once every three years only for clients age twenty and younger as follows:
(i) For age twelve and younger without prior authorization if the tooth requires a four or more surface restoration; and
(ii) For age thirteen through twenty with prior authorization.
(c) Prefabricated stainless steel crowns, including stainless steel crowns with resin window, resin-based composite crowns (direct), prefabricated esthetic coated stainless steel crowns, and prefabricated resin crowns, for primary posterior teeth once every three years without prior authorization if:
(i) Decay involves three or more surfaces for a primary first molar;
(ii) Decay involves four or more surfaces for a primary second molar; or
(iii) The tooth had a pulpotomy.
(d) Prefabricated stainless steel crowns, including stainless steel crowns with resin window, and prefabricated resin crowns, for permanent posterior teeth excluding one, sixteen, seventeen, and thirty-two once every three years, for clients age twenty and younger, without prior authorization.
(e) Prefabricated stainless steel crowns for clients of the developmental disabilities administration of the department of social and health services (DSHS) without prior authorization according to WAC 182-535-1099.
(f) Core buildup, including pins, only on permanent teeth, only for clients age twenty and younger, and only allowed in conjunction with crowns and when prior authorized. For indirect crowns, prior authorization must be obtained from the agency at the same time as the crown. Providers must submit pre- and post-endodontic treatment radiographs to the agency with the authorization request for endodontically treated teeth.
(g) Cast post and core or prefabricated post and core, only on permanent teeth, only for clients age twenty and younger, and only when in conjunction with a crown and when prior authorized.
[Statutory Authority: RCW 41.05.021, 41.05.160 and 2017 3rd sp.s. c 1 § 213 (1)(c). WSR 19-09-058, § 182-535-1084, filed 4/15/19, effective 7/1/19. Statutory Authority: RCW 41.05.021 and 41.05.160. WSR 18-12-033, § 182-535-1084, filed 5/29/18, effective 7/1/18; WSR 17-20-097, § 182-535-1084, filed 10/3/17, effective 11/3/17; WSR 16-18-033, § 182-535-1084, filed 8/26/16, effective 9/26/16; WSR 15-10-043, § 182-535-1084, filed 4/29/15, effective 5/30/15. Statutory Authority: RCW 41.05.021 and 2013 2nd sp.s. c 4 § 213. WSR 14-08-032, § 182-535-1084, filed 3/25/14, effective 4/30/14. Statutory Authority: RCW 41.05.021. WSR 12-09-081, § 182-535-1084, filed 4/17/12, effective 5/18/12. WSR 11-14-075, recodified as § 182-535-1084, filed 6/30/11, effective 7/1/11. Statutory Authority: RCW 74.08.090, 74.09.500, 74.09.520. WSR 07-06-042, § 388-535-1084, filed 3/1/07, effective 4/1/07.]
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