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Test Code ANDR6 / 500152-EX ANDROSTENEDIONE, MASS SPECTROMETRY

Additional Codes

Software Test Code
SoftID ANDR6
EPIC LAB518
Esoterix 500152

Performing Laboratory

Esoterix Laboratory Services (LabCorp Specialty Testing Group)

Method Name

High-Performance Liquid Chromatography-Tandem Mass Spectrometry (HPLC-MS/MS)

Reference Values

PREMATURE INFANTS

26-28 weeks, day 4: 63-935 ng/dL

31-35 weeks, day 4: 50-449 ng/dL

FULL-TERM INFANTS

1-7 days: <10-279 ng/dL

Levels decrease rapidly to <52 ng/dL after one week

1-11 months: <10-37 ng/dL

Androstenidione gradually decreases during the first six months to prepubertal levels

PREPUBERTAL CHILDREN

<10-17 ng/dL

MALES (PUBERTY)

Tanner Stage 1

Age: <9.8 years

Range: <10-17 ng/dL

Tanner Stage 2

Age: 9.8-14.5 years

Range: <10-33 ng/dL

Tanner Stage 3

Age: 10.7-15.4 years

Range: 17-72 ng/dL

Tanner Stage 4

Age: 11.8-16.2 years

Range: 15-115 ng/dL

Tanner Stage 5

Age: 12.8-17.3 years

Range:33-192 ng/dL

FEMALES (PUBERTY)

Tanner Stage 1

Age: <9.2 years

Range: <10-17 ng/dL

Tanner Stage 2

Age: 9.2-13.7 years

Range: <10-72 ng/dL

Tanner Stage 3

Age: 10.0-14.4 years

Range: 50-170 ng/dL

Tanner Stage 4

Age 10.7-15.6 years

Range: 47-208 ng/dL

Tanner Stage 5

Age: 11.8-18.6 years

Range: 50-224 ng/dl

ADULT MALES

44-186 ng/dL

ADULT FEMALES

28-230 ng/dL

Postmenopausal: <10-93 ng/dL

Days and Times Test Performed

Monday, Tuesday and Thursday

Report Available

5-10 Days

Analytic time for send out tests is the time it will take to perform testing once it has arrived at the performing reference lab. Please add 1 to 2 days from time of collection to allow for receipt at NorDx central lab and shipment of specimen, add another day if specimen is collected on the day before a weekend or holiday.

Specimen Type

Serum

Preferred Container

Red Top Tube – Plasma from EDTA Lavender is also acceptable.

Preferred Volume

Serum: 0.5 mL (Red Top Tube) – 0.2 does not allow for repeat testing

Minimum Volume

Serum: 0.2 mL (Red Top Tube)

Note: This volume does not allow for repeat testing.

Specimen Collection and Handling

Spin specimen, separate from clot and send frozen within 45 minutes of collection. Indicate if plasma or serum on container.

Specimen Stability Information

Specimen Type: Serum

Frozen: 4 Years

Refrigerated: 7 Days

Room Temp: 7 Days

Add On Capable

Contact Reference Lab – If add-on can never be done, report the test to the Administrative Analyst

Advance Beneficiary Notice Requirements

This test, when ordered on Medicare patients, is subject to the National Coverage Determination (NCD) policies. Please verify that the diagnosis code (ICD code) you have chosen demonstrates medical necessity for the test as documented in the physician’s patient record. The CMS web site is available to assist you with this verification. A properly executed Advance Beneficiary Notice (ABN) must be submitted with the specimen if medical necessity is not demonstrated by the ICD code chosen.

CPT Code Information

CPT Code

CPT Description

CPT Disclaimer
82157 Androstenedione, Qantitative  

Keywords

DELTA-4-ANDROSTENEDIONE

Performing Laboratory Location

Esoterix Laboratory Services (LabCorp Specialty Testing Group)

LOINC Code Information

1854-9

Clinical Significance

This test should be ordered ONLY by a endocrinology specialist or as a result of consultation with a endocrinology specialist.

Acceptable Alternative Container(s)

Lavender Top Tube (EDTA)