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HCPCS P codes: Pathology and laboratory services

58 active HCPCS Level II codes beginning with P, from the CMS October 2026 quarterly file. "Added" is the year the code first appeared in the HCPCS file.

Code	Long description	Short description	Added
`P2028`	Cephalin floculation, blood	Cephalin floculation test	1986
`P2029`	Congo red, blood	Congo red blood test	1986
`P2031`	Hair analysis (excluding arsenic)	Hair analysis	1986
`P2033`	Thymol turbidity, blood	Blood thymol turbidity	1986
`P2038`	Mucoprotein, blood (seromucoid) (medical necessity procedure)	Blood mucoprotein	1986
`P3000`	Screening papanicolaou smear, cervical or vaginal, up to three smears, by technician under physician supervision	Screen pap by tech w md supv	1992
`P3001`	Screening papanicolaou smear, cervical or vaginal, up to three smears, requiring interpretation by physician	Screening pap smear by phys	1992
`P7001`	Culture, bacterial, urine; quantitative, sensitivity study	Culture bacterial urine	1986
`P9010`	Blood (whole), for transfusion, per unit	Whole blood for transfusion	1987
`P9011`	Blood, split unit	Blood split unit	1987
`P9012`	Cryoprecipitate, each unit	Cryoprecipitate each unit	1987
`P9016`	Red blood cells, leukocytes reduced, each unit	Rbc leukocytes reduced	1987
`P9017`	Fresh frozen plasma (single donor), frozen within 8 hours of collection, each unit	Plasma 1 donor frz w/in 8 hr	1987
`P9019`	Platelets, each unit	Platelets, each unit	1987
`P9020`	Platelet rich plasma, each unit	Plaelet rich plasma unit	1987
`P9021`	Red blood cells, each unit	Red blood cells unit	1987
`P9022`	Red blood cells, washed, each unit	Washed red blood cells unit	1987
`P9023`	Plasma, pooled multiple donor, solvent/detergent treated, frozen, each unit	Frozen plasma, pooled, sd	2000
`P9025`	Plasma, cryoprecipitate reduced, pathogen reduced, each unit	Plasma cryo redu path each	2021
`P9026`	Cryoprecipitated fibrinogen complex, pathogen reduced, each unit	Cryo fib comp path redu each	2021
`P9027`	Red blood cells, leukocytes reduced, oxygen/ carbon dioxide reduced, each unit	Rbc o2 co2 reduced	2024
`P9031`	Platelets, leukocytes reduced, each unit	Platelets leukocytes reduced	2001
`P9032`	Platelets, irradiated, each unit	Platelets, irradiated	2001
`P9033`	Platelets, leukocytes reduced, irradiated, each unit	Platelets leukoreduced irrad	2001
`P9034`	Platelets, pheresis, each unit	Platelets, pheresis	2001
`P9035`	Platelets, pheresis, leukocytes reduced, each unit	Platelet pheres leukoreduced	2001
`P9036`	Platelets, pheresis, irradiated, each unit	Platelet pheresis irradiated	2001
`P9037`	Platelets, pheresis, leukocytes reduced, irradiated, each unit	Plate pheres leukoredu irrad	2001
`P9038`	Red blood cells, irradiated, each unit	Rbc irradiated	2001
`P9039`	Red blood cells, deglycerolized, each unit	Rbc deglycerolized	2001
`P9040`	Red blood cells, leukocytes reduced, irradiated, each unit	Rbc leukoreduced irradiated	2001
`P9041`	Infusion, albumin (human), 5%, 50 ml	Albumin (human),5%, 50ml	2001
`P9043`	Infusion, plasma protein fraction (human), 5%, 50 ml	Plasma protein fract,5%,50ml	2001
`P9044`	Plasma, cryoprecipitate reduced, each unit	Cryoprecipitatereducedplasma	2001
`P9045`	Infusion, albumin (human), 5%, 250 ml	Albumin (human), 5%, 250 ml	2002
`P9046`	Infusion, albumin (human), 25%, 20 ml	Albumin (human), 25%, 20 ml	2002
`P9047`	Infusion, albumin (human), 25%, 50 ml	Albumin (human), 25%, 50ml	2002
`P9048`	Infusion, plasma protein fraction (human), 5%, 250 ml	Plasmaprotein fract,5%,250ml	2002
`P9050`	Granulocytes, pheresis, each unit	Granulocytes, pheresis unit	2002
`P9051`	Whole blood or red blood cells, leukocytes reduced, cmv-negative, each unit	Blood, l/r, cmv-neg	2004
`P9052`	Platelets, hla-matched leukocytes reduced, apheresis/pheresis, each unit	Platelets, hla-m, l/r, unit	2004
`P9053`	Platelets, pheresis, leukocytes reduced, cmv-negative, irradiated, each unit	Plt, pher, l/r cmv-neg, irr	2004
`P9054`	Whole blood or red blood cells, leukocytes reduced, frozen, deglycerol, washed, each unit	Blood, l/r, froz/degly/wash	2004
`P9055`	Platelets, leukocytes reduced, cmv-negative, apheresis/pheresis, each unit	Plt, aph/pher, l/r, cmv-neg	2004
`P9056`	Whole blood, leukocytes reduced, irradiated, each unit	Blood, l/r, irradiated	2004
`P9057`	Red blood cells, frozen/deglycerolized/washed, leukocytes reduced, irradiated, each unit	Rbc, frz/deg/wsh, l/r, irrad	2004
`P9058`	Red blood cells, leukocytes reduced, cmv-negative, irradiated, each unit	Rbc, l/r, cmv-neg, irrad	2004
`P9059`	Fresh frozen plasma between 8-24 hours of collection, each unit	Plasma, frz between 8-24hour	2004
`P9060`	Fresh frozen plasma, donor retested, each unit	Fr frz plasma donor retested	2004
`P9070`	Plasma, pooled multiple donor, pathogen reduced, frozen, each unit	Pathogen reduced plasma pool	2016
`P9071`	Plasma (single donor), pathogen reduced, frozen, each unit	Pathogen reduced plasma sing	2016
`P9073`	Platelets, pheresis, pathogen-reduced, each unit	Platelets pheresis path redu	2018
`P9099`	Blood component or product not otherwise classified	Blood component/product noc	2020
`P9100`	Pathogen(s) test for platelets	Pathogen test for platelets	2018
`P9603`	Travel allowance one way in connection with medically necessary laboratory specimen collection drawn from home bound or nursing home bound patient; prorated miles actually travelled	One-way allow prorated miles	1987
`P9604`	Travel allowance one way in connection with medically necessary laboratory specimen collection drawn from home bound or nursing home bound patient; prorated trip charge	One-way allow prorated trip	1987
`P9612`	Catheterization for collection of specimen, single patient, all places of service	Catheterize for urine spec	1999
`P9615`	Catheterization for collection of specimen(s) (multiple patients)	Urine specimen collect mult	1985