WAC 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 $55.34. 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 $3.19 per minute, which is equivalent to $47.85 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. 11-12-019, § 296-20-135, filed 5/24/11, effective 7/1/11; 10-10-107, § 296-20-135, filed 5/4/10, effective 7/1/10; 08-09-121, § 296-20-135, filed 4/22/08, effective 7/1/08; 07-10-082, § 296-20-135, filed 5/1/07, effective 7/1/07; 06-09-071, § 296-20-135, filed 4/18/06, effective 7/1/06; 05-09-062, § 296-20-135, filed 4/19/05, effective 7/1/05; 04-09-100, § 296-20-135, filed 4/20/04, effective 7/1/04; 03-14-043, § 296-20-135, filed 6/24/03, effective 8/1/03; 02-10-129, § 296-20-135, filed 5/1/02, effective 7/1/02; 01-10-026, § 296-20-135, filed 4/24/01, effective 7/1/01; 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. 99-10-043, § 296-20-135, filed 4/30/99, effective 7/1/99; 98-09-125, § 296-20-135, filed 4/22/98, effective 7/1/98; 97-10-017, § 296-20-135, filed 4/28/97, effective 7/1/97. Statutory Authority: RCW 51.04.020 and 51.04.030. 96-19-060. § 296-20-135, filed 9/16/96, effective 10/17/96; 96-10-086, § 296-20-135, filed 5/1/96, effective 7/1/96; 95-17-001 § 296-20-135, filed 8/2/95, effective 10/1/95; 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. 94-02-045 and 94-03-008, § 296-20-135, filed 12/30/93 and 1/6/94, effective 3/1/94; 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. 91-02-063, § 296-20-135, filed 12/28/90, effective 1/28/91; 88-24-011 (Order 88-28), § 296-20-135, filed 12/1/88, effective 1/1/89; 87-03-004 (Order 86-45), § 296-20-135, filed 1/8/87; 83-24-016 (Order 83-35), § 296-20-135, filed 11/30/83, effective 1/1/84; 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, and51.16.120 (3). 81-24-041 (Order 81-28), § 296-20-135, filed 11/30/81, effective 1/1/82; 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. 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.]