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Lab Test Dictionary

JMML Associated Exon Panel (JMML)


Massive Parallel Next Generation DNA Sequencing


Juvenile Myelomonocytic Leukemia (JMML); JMML Panel; CBL exons 8/9; KRAS exons 2/3; NRAS exons 2/3; PTPN11 exons 3/4/13

Specimen Type

Whole Blood or Bone Marrow

Performing Lab

UCSF Molecular Diagnostics

Epic ID

Other Reference Test

Lab Test Days


Standard TAT

2-4 Weeks

Collection Information

Specimen Required

2-5 mL Whole Blood or 1-3 mL Bone Marrow

Container Type

Lavender (EDTA)

Collection Instructions

Collect Monday-Thursday before 1300 only, no weekends or holidays. Avoid hemolysis.

Processing Information - Lab Use Only

Transport Temperature


Test Volume Required

5 mL Whole Blood or 3 mL Bone Marrow

Minimum Test Volume

2 mL Whole Blood or 1 mL Bone Marrow

Processing Instructions

Complete a UCSF Molecular Diagnostics requisition and submit with specimen refrigerated Monday-Thursday only.


Insurance authorization is required prior to draw for Outpatients. MJ approval required for Inpatients.

CPT Codes

81450, G0452