Ordering Recommendation

Use to determine parental or neonatal Kell (K/k) genotype and assess the risk of alloimmune hemolytic disease. For fetal testing, order Kell K/k (KEL) Antigen Genotyping, Fetal (3016676) using a fetal specimen.

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Lavender (K2EDTA), pink (K2EDTA).

Specimen Preparation

Genotyping: Tranport 3 mL whole blood. (Min: 1 mL)

Storage/Transport Temperature

Whole blood specimen: Ambient: 72 hours; Refrigerated: 1 week; Frozen: 1 month.

Unacceptable Conditions

Yellow (ACD solution A or B); plasma or serum. Specimens collected in sodium heparin tubes. Frozen specimens in glass collection tubes.

Remarks

Patient History Form is available on the ARUP website or by contacting ARUP Client Services.

Stability

Whole blood: Ambient: 72 hours; Refrigerated: 1 week; Frozen: 1 month

Methodology

Polymerase Chain Reaction (PCR)/Fluorescence Monitoring

Performed

Varies

Reported

3-10 days

Reference Interval

By report.

Interpretive Data

Refer to report

Counseling and informed consent are recommended for genetic testing. Consent forms are available online.

Compliance Category

FDA

Note

Hotline History

N/A

CPT Codes

0001U

Components

Component Test Code* Component Chart Name LOINC
3002013 KEL GENO Specimen 31208-2
3002014 KEL Genotype 41096-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • KEL1 and KEL2 genotyping
  • Kel1 heterozygosity or homozygosity assay
  • Kell Antigen genotyping
  • Kell/Cellano genotyping
Kell K/k (KEL) Antigen Genotyping