This code system http://hl7.org/fhir/v2/0702 defines the following codes:

CodeDisplayComments
2RSSecond Rinse
ANRAnesthesia/RespiratorySpecial Wash cycle
BDPBedpans
BWDBowie-Dick TestA Bowie-Dick test cycle is a special cycle used to test the integrity of the sterilizer chamber to hold a vacuum.
CMWChemical WashA chemical wash cycle.
CODCode
CRTCart Wash
DECDecontamination
DRTDartA dart cycle is a special cycle used to test the integrity of the sterilizer chamber to hold a vacuum.
DRWDart Warm-up CycleA dart warm-up cycle is used to bring the sterilizer chamber up to operating temperature in order to run a dart test cycle.
EOHEO High Temperature
EOLEO Low Temperature
EXPExpressAn express cycle is similar to a flash cycle but the supply item is wrapped.
FLSFlashUsed to quickly sterilize instruments that were dropped during surgery.
GLSGlassware
GNPGen. Purpose
GRVGravityA gravity cycle is executed at atmospheric pressure.
GTLGentle
ISOIsothermal
ISTInstrument Wash
LKTLeak TestA leak test cycle tests the integrity of the sterilizer chamber to hold a vacuum over a specific period of time.
LQDLiquidA cycle specific to sterilizing liquids.
OPWOptional WashAny Optional Wash cycle
PEAPeracetic AcidA peracetic acid cycle.
PLAPlastic Goods Wash
PRVPrevacA prevac cycle is vacuum assisted.
RNSRinse
SFPSteam Flush Pressure PulseAn SFPP cycle uses steam pulses instead of a vacuum during the conditioning phase of the cycle when the supply item is wrapped.
THRThermal
TRBTray/Basin
UTLUtensil Wash
WFPWrap/Steam Flush Pressure Pulse (Wrap/SFPP)A Wrap/SFPP cycle uses steam pulses instead of a vacuum during the conditioning phase of the cycle when the supply item is unwrapped.