LOINC Part Code LP190939-1 : I have had trouble adding or subtracting numbers in my head in past 7D

No Database Connections Available for "PublishCode" (used: InUse 10 of 10: PublishCode 2sec (Select StatusKey from Codes where CodeKey = 22140) PublishCode 2sec (Select StatusKey from Codes where CodeKey = 22778) PublishCode 2sec (Select StatusKey from Codes where CodeKey = 134244) PublishCode 2sec (Select StatusKey from Codes where CodeKey = 49424) PublishCode 2sec (Select StatusKey from Codes where CodeKey = 217420) PublishCode 1sec (Select StatusKey from Codes where CodeKey = 229094) PublishCode 1sec (Select StatusKey from Codes where CodeKey = 128564) PublishCode 765ms (Select StatusKey from Codes where CodeKey = 125878) PublishCode 498ms (Select StatusKey from Codes where CodeKey = 40100) PublishCode 225ms (Select StatusKey from Codes where CodeKey = 189755))