Kappa and Lambda Free Light Chains (Bence Jones Protein), Qualitative, Urine KIT (D816V) Mutation by PCR Kappa and Lambda Free Light Chains (Bence Jones Protein), Quantitative, Urine KIT D816V Mutation Detection by PCR for Gleevec Eligibility in Aggressive Systemic Mastocytosis (ASM) Kappa Free Light Chains (Bence Jones Protein), Quantitative, Urine KIT Mutations in AML by Fragment Analysis and Sequencing Kappa Light Chains by Immunohistochemistry KIT Mutations, Melanoma Kappa/Lambda Light Chain Panel by in situ Hybridization, Paraffin Kleihauer-Betke Stain for Fetal Hemoglobin Kappa/Lambda Light Chain Panel by In Situ Hybridization, Stain Only Kpa Pt Antigen Typing IRL Kappa/Lambda Quantitative Free Light Chains with Ratio, Serum KRAS Mutation Detection Kell Antigen Typing – Patient KRAS Mutation Detection with Reflex to BRAF Codon 600 Mutation Detection Kell K/k Antigen (KEL) Genotyping Keppra (Levetiracetam) Keratan Sulfate, Quantitative by LC-MS/MS, Urine Keratin 903 (K903) High Molecular Weight by Immunohistochemistry