Test Catalog

Test ID: FIXKM    
Hemophilia B, F9 Gene Known Mutation, Whole Blood

Method Description Describes how the test is performed and provides a method-specific reference

Direct mutation analysis of leukocyte genomic DNA performed by PCR amplification of of a single region of the F9 gene, followed by fluorescent DNA sequencing analysis utilizing an Applied Biosystems Inc (ABI) 3730xl DNA Analyzer.(Costa JM, Ernault P, Vidaud D, et al: Fast and efficient mutation detection method using multiplex PCR and cycle sequencing--application to haemophilia B. Thromb Haemost 2000;83[2]:244-247; Kaiser RJ, MacKellar SL, Vinayak RS, et al: Specific-primer-directed DNA sequencing using automated fluorescence detection. Nucleic Acids Res 1989;17[15]:6087-6102; Meijer P, Verbruggen, Spannagi M: Clotting factors and inhibitors: Assays and Interpretation. Chapter 33. In Laboratory Hematology Practice. Edited by K Kottke-Marchant. Wiley Blackwell Publishing. 2012, pp 435-446)

PDF Report Indicates whether the report includes an additional document with charts, images or other enriched information


Day(s) and Time(s) Test Performed Outlines the days and times the test is performed. This field reflects the day and time the sample must be in the testing laboratory to begin the testing process and includes any specimen preparation and processing time required before the test is performed. Some tests are listed as continuously performed, which means assays are performed several times during the day.

Performed weekly; Varies

Analytic Time Defines the amount of time it takes the laboratory to setup and perform the test. This is defined in number of days. The shortest interval of time expressed is "same day/1 day," which means the results may be available the same day that the sample is received in the testing laboratory. One day means results are available 1 day after the sample is received in the laboratory.

21 days

Maximum Laboratory Time Defines the maximum time from specimen receipt at Mayo Clinic Laboratories until the release of the test result

28 days

Specimen Retention Time Outlines the length of time after testing that a specimen is kept in the laboratory before it is discarded

Whole Blood: 2 weeks; DNA: Indefinitely

Performing Laboratory Location Indicates the location of the laboratory that performs the test