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Test ID: FDOXY
Doxycycline Level, BA

Secondary ID A test code used for billing and in test definitions created prior to November 2011

90061

NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.

Yes

Method Name A short description of the method used to perform the test

Bioassay (BA)

Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name

Doxycycline Level, BA

Aliases Lists additional common names for a test, as an aid in searching

Doxycycline Level, Serum FORWARD

Specimen Type Describes the specimen type needed for testing

Serum Red

Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.

Draw blood in a plain, red-top tube(s). (Serum gel tube is not

acceptable.) Spin down and send 1 mL of serum frozen in plastic

vial. Specimens drawn just before or within 15 minutes

of next dose represent a trough level. Specimens drawn within

15-30 minutes after the end of an intravenous infusion, 45-60 minutes

after an intramuscular injection, or 90 minutes after oral intake represent

a peak level.

 Note:   1. Specify all antimicrobials being used to treat patient.

                2.  Indicate peak or trough on request form.

Specimen Minimum Volume Defines the amount of specimen required to perform an assay once, including instrument and container dead space. Submitting the minimum specimen volume makes it impossible to repeat the test or perform confirmatory or perform reflex testing. In some situations, a minimum specimen volume may result in a QNS (quantity not sufficient) result, requiring a second specimen to be collected.

0.5 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

Specimens other than

Serum

Anticoagulants other than

Plain red-top

Hemolysis

NA

Thawing

Warm reject; Cold reject

Lipemia

NA

Icteric

NA

 

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperature(s) are also included.

Specimen TypeTemperatureTime
Serum RedFrozen30 days

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.

Peak serum level (avg)

  200 mg dose: 3.6 +or- 0.9 mcg/mL

Trough serum level (avg)

  200 mg dose, 12 hrs post dose: 1.6 mcg/mL

 

Any undisclosed antimicrobials might affect the results.

 

Test Performed By: Focus Diagnostics, Inc.

                                       5785 Corporate Avenue

                                       Cypress, CA   90630-4750

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.

Monday through Friday

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.

3 - 4 days

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

5 - 11 days

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

6 weeks

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

Focus Diagnositics, Inc.

CPT Code Information Provides guidance in determining the appropriate Current Procedural Terminology (CPT) code(s) information for each test or profile. The listed CPT codes reflect Mayo Medical Laboratories interpretation of CPT coding requirements. It is the responsibility of each laboratory to determine correct CPT codes to use for billing.

80299

LOINC® Code Information Provides guidance in determining the Logical Observation Identifiers Names and Codes (LOINC) values for the result codes returned for this test or profile.

Result IDReporting NameLOINC Code
Z0600Doxycycline LevelIn Process