NoCall

Noun

 * 1) An SNP (in an individual) for which insufficient information is available to determine genotype.
 * 2) * 2008 December, Marieke J.H. Coenen, et al., "Allelic Imbalance Analysis Using a Single-Nucleotide Polymorphism Microarray for the Detection of Bladder Cancer Recurrence", Clinical Cancer Research number 14, doi:10.1158/1078-0432.CCR-08-1103, page 8201:
 * The number of NoCalls was higher in regions where changes from heterozygous to homozygous calls occurred and might therefore indicate LOH[=loss of heterozygosity].