PDFWAC 296-20-135
Conversion factors.
(1) Conversion factors are used to calculate payment levels for services reimbursed under the Washington resource based relative value scale (RBRVS), and for anesthesia services payable with base and time units.
(2) Washington RBRVS services have a conversion factor of $59.98. The fee schedules list the reimbursement levels for these services.
(3) Anesthesia services that are paid with base and time units have a conversion factor of $3.89 per minute, which is equivalent to $58.35 per 15 minutes. The base units and payment policies can be found in the fee schedules.
[Statutory Authority: RCW 51.04.020(1) and 51.04.030. WSR 24-12-047, § 296-20-135, filed 5/31/24, effective 7/1/24; WSR 23-11-126, § 296-20-135, filed 5/23/23, effective 7/1/23; WSR 22-10-064, § 296-20-135, filed 5/3/22, effective 7/1/22; WSR 21-11-084, § 296-20-135, filed 5/18/21, effective 7/1/21; WSR 20-17-116, § 296-20-135, filed 8/18/20, effective 10/1/20; WSR 18-10-082, § 296-20-135, filed 5/1/18, effective 7/1/18; WSR 17-10-060, § 296-20-135, filed 5/2/17, effective 7/1/17; WSR 16-10-084, § 296-20-135, filed 5/3/16, effective 7/1/16; WSR 15-09-120, § 296-20-135, filed 4/21/15, effective 7/1/15; WSR 14-09-094, § 296-20-135, filed 4/22/14, effective 7/1/14; WSR 13-11-020, § 296-20-135, filed 5/7/13, effective 7/1/13; WSR 12-11-107, § 296-20-135, filed 5/22/12, effective 7/1/12; WSR 11-12-019, § 296-20-135, filed 5/24/11, effective 7/1/11; WSR 10-10-107, § 296-20-135, filed 5/4/10, effective 7/1/10; WSR 08-09-121, § 296-20-135, filed 4/22/08, effective 7/1/08; WSR 07-10-082, § 296-20-135, filed 5/1/07, effective 7/1/07; WSR 06-09-071, § 296-20-135, filed 4/18/06, effective 7/1/06; WSR 05-09-062, § 296-20-135, filed 4/19/05, effective 7/1/05; WSR 04-09-100, § 296-20-135, filed 4/20/04, effective 7/1/04; WSR 03-14-043, § 296-20-135, filed 6/24/03, effective 8/1/03; WSR 02-10-129, § 296-20-135, filed 5/1/02, effective 7/1/02; WSR 01-10-026, § 296-20-135, filed 4/24/01, effective 7/1/01; WSR 00-09-077, § 296-20-135, filed 4/18/00, effective 7/1/00. Statutory Authority: RCW 51.04.020(4) and 51.04.030. WSR 99-10-043, § 296-20-135, filed 4/30/99, effective 7/1/99; WSR 98-09-125, § 296-20-135, filed 4/22/98, effective 7/1/98; WSR 97-10-017, § 296-20-135, filed 4/28/97, effective 7/1/97. Statutory Authority: RCW 51.04.020 and 51.04.030. WSR 96-19-060. §296-20-135, filed 9/16/96, effective 10/17/96; WSR 96-10-086, § 296-20-135, filed 5/1/96, effective 7/1/96; WSR 95-17-001 § 296-20-135, filed 8/2/95, effective 10/1/95; WSR 95-05-072, § 296-20-135, filed 2/15/95, effective 3/18/95. Statutory Authority: RCW 51.04.020, 51.04.030 and 1993 c 159. WSR 94-02-045 and 94-03-008, § 296-20-135, filed 12/30/93 and 1/6/94, effective 3/1/94; WSR 93-16-072, § 296-20-135, filed 8/1/93, effective 9/1/93. Statutory Authority: RCW 51.04.020(4) and 51.04.030. WSR 91-02-063, § 296-20-135, filed 12/28/90, effective 1/28/91; WSR 88-24-011 (Order 88-28), § 296-20-135, filed 12/1/88, effective 1/1/89; WSR 87-03-004 (Order 86-45), § 296-20-135, filed 1/8/87; WSR 83-24-016 (Order 83-35), § 296-20-135, filed 11/30/83, effective 1/1/84; WSR 82-24-050 (Order 82-39), § 296-20-135, filed 11/29/82, effective 7/1/83. Statutory Authority: RCW 51.04.020(4), 51.04.030, and 51.16.120(3). WSR 81-24-041 (Order 81-28), § 296-20-135, filed 11/30/81, effective 1/1/82; WSR 80-18-033 (Order 80-24), § 296-20-135, filed 12/1/80, effective 1/1/81. Statutory Authority: RCW 51.04.030 and 51.16.035. WSR 79-12-086 (Order 79-18), § 296-20-135, filed 11/30/79, effective 1/1/80; Order 77-27, § 296-20-135, filed 11/30/77, effective 1/1/78; Order 76-34, § 296-20-135, filed 11/24/76, effective 1/1/77; Order 75-39, § 296-20-135, filed 11/28/75, effective 1/1/76; Order 74-7, § 296-20-135, filed 1/30/74; Order 71-6, § 296-20-135, filed 6/1/71; Order 68-7, § 296-20-135, filed 11/27/68, effective 1/1/69.]