Leukocyte Alkaline Phosphatase (LAP) Build info

Synonyms

• LEUKOCYTE ALKALINE PHOSPHATASE
• LAP
• SCORE
• LAB763

Procedure Name

LEUKOCYTE ALKALINE PHOSPHATASE

Procedure Master Number

LAB763

Procedure ID

64663

Clinical Info

**** Test is Inactive*****
                DO NOT SEND
Aid in differential diagnosis of neutrophilia, including chronic myeloid leukemia (CML) and leukemoid reaction.

Specimen Sources

Specimen Types

Container

Collection Instructions

Container/Tube: Green-top (sodium heparin) tube
Specimen: 6 smears and whole blood . Protect both smears and whole blood from light and pack accordingly to avoid breakage. Transport 5 mL whole blood (Min: 1 mL) AND 6 unfixed, well-prepared smears (Min: 6 smears)
Transport Temperature: Room Temperature Sunday - Thursday only Whole blood must be received within 24 hours of collection; smears must be make within 24 hours of collection and received within 7 days of collection.
Stability: Whole blood Green top 1 Day Room Temperature
Slides 7 Days Room Temperature
Unacceptable Frozen for both

Specimen Volume

6 smears and whole blood . Protect both smears and whole blood from light and pack accordingly to avoid breakage. Transport 5 mL whole blood (Min: 1 mL) AND 6 unfixed, well-prepared smears (Min: 6 smears)

Transport Instructions

Room Temperature Sunday - Thursday only Whole blood must be received within 24 hours of collection; smears must be make within 24 hours of collection and received within 7 days of collection.

Specimen Stability

Whole blood Green top 1 Day Room Temperature
Slides 7 Days Room Temperature
Unacceptable Frozen for both

Methodology

Cytochemical Staining

Days Performed

TAT: 2 - 6 Days

Performing Laboratory

ARUP Laboratories

CPT

85540
LOINC Code: 4659-9

PDM

Only Orderable at Locations:

Results

Result Interpretation

Female:	33-149	(no units)
Male:	22-124	(no units)

Forms