ALK Negative

**Semantic type:** Laboratory or Test Result

**Definition:** Indicates that expression of ALK has not been detected in a sample.

**Synonyms:** - ALK Receptor Tyrosine Kinase Negative - ALK Tyrosine Kinase Receptor Negative - Anaplastic Lymphoma Kinase Negative - Anaplastic Lymphoma Kinase Receptor Negative - Anaplastic Lymphoma Receptor Tyrosine Kinase Negative - CD246 Antigen Negative - CD246 Negative