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Chemistry Tests - D & E
TEST
NAME: DEHYDROEPIANDROSTERONE
SULFATE, Serum
MML # 8493 Synonyms:
DHEA-S, DHEA-SO(4) SPECIMEN
COLLECTION 18-29
years: 89-457 ug/dL 18-29
years: 44-332 ug/dL TEST NAME: DEPAKENE
(See VALPROIC ACID) Revised
9/10/2009 cc
TEST
NAME:
DESIPRAMINE, Serum
MML # 81854 Synonyms:
Norpramin, TCA
Panel/Profile Component: None Patient Preparation: None SPECIMEN COLLECTION
Specimen Type: Serum Drawing Requirements: Draw blood in a plain red tube immediately before next dose (a minimum of 12 hours after last dose.) SERUM GEL (SST) TUBES ARE NOT ACCEPTABLE. Centrifuge within 2 hours and send 3 mL serum refrigerated. Minimum Volume: 1.1 mL Cause for Rejection: Unlabeled specimen, QNS, specimen drawn in wrong tube. Specimen Handling/Stability: Draw blood immediately before next dose (a minimum of 12 hours after last dose) and process within 2 hours. Send specimen refrigerated. Specimen Storage
Stability: Samples are sent to Mayo Medical Laboratories for testing.
TEST AVAILABILITY: Reference laboratory testing performed by Mayo Medical Laboratories Monday-Saturday at various times. TURN AROUND TIME: 3-6 days REFERENCE RANGE: Therapeutic Concentration: 100-300 ng/mL Critical Concentration: >/= 500 ng/mL SPECIAL INSTRUCTIONS: Draw blood immediately before next dose (a minimum of 12 hours after last dose) and process within 2 hours. Send specimen refrigerated. Revised 5/18/2010 CC TEST NAME: DHEA (DEHYDROEPIANDROSTERONE), Serum MML # 81405 Synonyms: DHEA SPECIMEN COLLECTION SPECIAL
INSTRUCTIONS: None TEST NAME: DIAZEPAM
and NORDIAZEPAM, Serum
MML # 8629 Synonyms: Valium, Clorazepate,
Tranxene
Panel/Profile Component: None Patient Preparation: None SPECIMEN COLLECTION
Specimen Type: Serum Drawing Requirements: Draw blood in a plain red tube (GEL TUBES NOT ACCEPTABLE.) Centrifuge and send 3.0 mL serum refrigerated serum in a screw top plastic vial. Minimum Volume: 1.1 mL Cause for Rejection: Unlabeled specimen, QNS, specimen drawn in wrong tube. Specimen Handling/Stability: Remove serum from red cells and send 3.0 mL refrigerated to Mayo Medical Laboratories for testing. Specimen Storage Stability: Samples sent to Mayo Medical Laboratories for testing. TEST AVAILABILITY: Reference laboratory testing performed by Mayo Medical Laboratories on various days. TURN AROUND TIME: 2-9 days REFERENCE RANGE: Therapeutic Concentration: Diazepam: 0.2-0.8 ug/mL Nordiazepam: 0.2-1.0 ug/mL Total for both: 0.4-1.8 ug/dL Toxic Concentrations for both: >/=5.0 ug/mL SPECIAL INSTRUCTIONS: None Revised 5/19/2010 CC TEST NAME: DIGITOXIN, Serum or Plasma
MML # 91454 Synonyms: None
Panel/Profile Component: None Patient Preparation: None
SPECIMEN COLLECTION Specimen Type: Serum or plasma Drawing Requirements: Draw blood in a plain red tube (serum gel tubes not acceptable) a lavender EDTA tube. Centrifuge and send 1.0 mL serum or plasma refrigerated in a screw top plastic vial. Minimum Volume: 0.25 mL Cause for Rejection: Unlabeled specimen, QNS, specimen drawn in wrong tube. Specimen Handling/Stability: Remove serum or plasma from red cells and send 1.0 mL refrigerated to Mayo Medical Laboratories for testing. Specimen Storage Stability: Samples are sent to Mayo Medical Laboratories for testing. TEST AVAILABILITY: Reference laboratory testing performed at Mayo Medical Laboratories Monday, Wednesday and Friday. TURN AROUND TIME: 3-6 days REFERENCE RANGE: THERAPEUTIC = 10-30 ng/mL Reporting Limit = 5.0 SPECIAL INSTRUCTIONS: None Revised 5/19/2010 CC TEST NAME: DIGOXIN Synonyms: Lanoxin
Panel/Profile Component: None Patient Preparation: None SPECIMEN COLLECTION Specimen Type: Serum or plasma (sodium heparin) Drawing Requirements: Draw blood in a plain green (sodium heparin) or plain red tube. Blood specimens for digoxin levels should be collected between six and eight hours after the last oral dose. Minimum Volume: 0.5 mL Cause for Rejection: Unlabeled specimen, QNS, specimen drawn in wrong tube, excessive hemolysis, excessive icterus or patient being treated with Digibind. Specimen Handling/Stability: Complete clot formation should take place before centrifugation. Serum or plasma should be physically separated from cells as soon as possible with a maximum limit of 2 hours from the tlime of collection. Specimen should be free of particulate matter. Specimen Storage Stability: Samples are maintained and saved in the laboratory for 7 days at 4 OC. TEST AVAILABILITY: 7 Days/24 Hours TURN AROUND TIME: STAT: 60 Minutes; Routine: 2 Hours REFERENCE RANGES: 0.9-2.0 ng/mL *NOTE: Therapeutic digoxin concentrations vary significantly, depending on the individual. A range of 0.9-2.0 ng/mL includes effective serum concentration for many patients; however, some individuals are best treated at concentrations outside this range. Concentrations greater than 2.0 ng/mL are often associated with toxic symptoms. SPECIAL INSTRUCTIONS: None Revised 5/19/2010 cc
TEST
NAME: DILANTIN Revised 5/19/2010 CC TEST NAME: DIHYDORXYVITAMIN D 1, 25, Serum
MML # 8822 Synonyms: Calcitriol;
1,25-dihydroxyvitamin D3
Panel/Profile Component: None Patient Preparation: 4 hour fast SPECIMEN
COLLECTION
Specimen Type: Serum Drawing Requirements: Draw blood in a plain red tube. Centrifuge and send 1.5 mL serum refrigerated in a screw top plastic vial. Minimum Volume: 0.7 mL Cause for Rejection: Unlabeled specimen, QNS, specimen drawn in wrong tube, excessive hemolysis or excessive icterus. Specimen Handling/Stability: Complete clot formation should take place before centrifugation. Serum should be physically separated from cells as soon as possible with a maximum limit of 2 hours from the time of collection. Specimen should be free of particulate matter. Specimen Storage Stability: Samples are sent to Mayo Medical Laboratories for testing. TEST AVAILABILITY: Reference laboratory testing performed by Mayo Medical Laboratories Monday-Friday at 11:00. TURN AROUND TIME: 2-4 days REFERENCE RANGES: Males: <16 years: 24-86 pg/mL >/= 16 years: 18-64 pg/mL Females: <16 years: 24-86 pg/mL >/= 16 years: 18-78 pg/mL SPECIAL INSTRUCTIONS: Patient should be fasting at least 4 hours for most accurate results. Revised 5/19/2010 CC
TEST
NAME: DISOPRYRAMIDE, Serum
MML # 8220 Synonyms: Norpace Panel/Profile Component: None Patient Preparation: None SPECIMEN COLLECTION Specimen Type: serum Drawing Requirements: Draw blood in a plain red tube. Centrifuge and send 1 mL refrigerated serum in a screw top plastic vial. Minimum Volume: 0.4 Cause for Rejection: Unlabeled specimen, QNS, specimen drawn in wrong tube, excessive hemolysis or excessive icterus. Specimen Handling/Stability: Specimen stable for 2 hours at room temperature. Specimen Storage Stability: Samples are sent to Mayo Medical Laboratories for testing. TEST AVAILABILITY: Reference laboratory testing performed by Mayo Medical Laboratories Monday-Sunday at various times. TURN AROUND TIME: 1-2 days REFERENCE RANGES: Therapeutic concentration: 2.0-5.0 mcg/mL Toxic Concentrations:>7.0 mcg/mL SPECIAL INSTRUCTIONS: None Revised 9/10/2009 cc TEST NAME:
DNA DOUBLE STRANDED (ds-DNA)
Ab, IgM, Serum
MML # 8178 Synonyms: SLE (systemic lupus
erythematosus) SPECIAL
INSTRUCTIONS: None TEST NAME: DRUG MECONIUM, Stool Synonyms: New born drug
screen Revised 5/19/2010 CC TEST NAME:
DRUG SCREEN, Gastric Revised 5/19/2010 CC TEST NAME: EBV Ab, IgG/IgM and EBNA, Serum Revised 5/22/2010 CC TEST NAME: EHRLICHIA CHAFFEENSIS (HME) IgG, Serum Synonyms: HME, E chaffeensis, tick borne
disease SPECIAL
INSTRUCTIONS:None TEST NAME: ELECTROLYTE PANEL, Serum or Plasma Synonyms: Lytes
Panel/Profile Components: Sodium (Na+), Potassium (K+) and Chloride (Cl-), Patient Preparation: None SPECIMEN
COLLECTION:Specimen Type: Serum or plasma
Revised 5/19/2010 CC TEST
NAME: ELECTROLYTE PANEL with
pH
Synonyms: Lytes Revised 5/19/2010 CC TEST NAME: ELECTROLYTE PANEL, Urine, Random Synonyms: Lytes
SPECIAL
INSTRUCTIONS: None TEST NAME: ELECTROLYTE PANEL, Urine, 24 Hours Synonyms: Lytes SPECIAL INSTRUCTIONS: None TEST NAME: ELECTROPHORESIS Revised 5/19/2010
CC
TEST NAME: ENCEPHALITIS Ab PANEL, CSF Synonyms:
None SPECIMEN
COLLECTION VARICELLA-ZOSTER VIRUS, Total & IgM Ab,
ACIF/IFA (CSF) TEST NAME: ENDOMYSIAL Ab, IgA, Serum Synonyms: EA; gluten-sensitive
enteropathy; immunodermatology; malabsorption;
celiac disease SPECIAL
INSTRUCTIONS: None TEST NAME: EPSTEIN-BARR VIRUS (EBV) Ab, IgG/IgM and EBNA, Serum Synonyms: Anti-EBV serology; infectious mononucleosis
Ab; VCR (viral capsid Ag, IgG/IgM); EBV panel SPECIMEN
COLLECTION: SPECIAL
INSTRUCTIONS:None TEST NAME: EPSTEIN-BARR VIRUS (EBV) by RAPID PCR, CSF Synonyms: infectious
mononucleosis SPECIMEN
COLLECTION: SPECIAL
INSTRUCTIONS:The high sensitivity of amplification by PCR
requires the specimen to be processed in an environment in which contamination
of the specimen by Epstein-Barr Virus DNA is not likely. TEST
NAME: ERYTHROPOIETIN, Serum Synonyms: EPO,
EPOGEN TEST NAME: ESTRADIOL, Serum Synonyms: Estradiol-17b , Estrogen, Female Hormone
SPECIMEN COLLECTION REFERENCE
RANGE: Males: 0.52 pg/mL
Menstruating females (follicular phase, -12 days): 11-69 pg/mL Menstruating females (follicular phase, -4 days): 63-165 pg/mL Menstruating females (midcycle, -1 day): 146-526 pg/mL Menstruating females (luteal phase, +2 days): 33-150 pg/mL Menstruating females (luteal phase, +6 days): 68-196 pg/mL Menstruating females (luteal phase, +12 days): 36-133 pg/mL Postmenopausal females (untreated): 0-37
pg/mL
No critical values established.
SPECIAL INSTRUCTIONS:
None
Revised 5/22/2010 CC TEST
NAME: ESTRADIOL, Serum Synonyms:
None REFERENCE
RANGE:
CHILDREN* 1-14 days: Estradiol levels in newborns are very elevated at birth but will ball to prepubertal levels within a few days. Males Tanner Stages# Mean Age Reference Range Stage I 7.1 Undetectable-13 pg/mL (>14 days and prepubertal) Stage II 12.1 Undetectable-16 pg/mL Stage III 13.6 Undetectable-26 pg/mL Stage IV 15.1 Undetectable-38 pg/mL Stage V 18 10-40 pg/mL #Puberty onset (transition form Tanner stage I to Tanner stage II) occurs for boys at a median age of
11.5 (+/- 2) years. For boys, there is no proven relationship between puberty
onset and
body
weight or ethnic origin. Progression through Tanner stages is variable. Tanner
stage V
(adult)
should be reached by age 18.
Females Tanner Stages# Mean Age Reference Range Stage I 7.1 Undetectable-20 pg/mL (>14 days and prepubertal) Stage II 10.5 Undetectable-24 pg/mL Stage III 11.6 Undetectable-60 pg/mL Stage IV 12.3 15-85 pg/mL Stage V 14.5 15-350 pg/mL** #Puberty onset (transition form Tanner stage I to Tanner stage II) occurs for girls at a median age of 10.5 (+/- 2) years. There is evidence that it may occur up to 1 year earlier in obese girls and in African-American girls. Progression through Tanner stages is
variable. Tanner stage V (adult) should be reached by age 18.
*The
reference ranges for children are based on published literature (1,2),
cross-correlation of our assay with assays used to generate the literature data
and on our data for young adults.
ADULTS
Males: 10-40 pg/mL Females: Premenopausal: 15-350 pg/mL** Post menopausal: <10 pg/mL **E2 levels vary widely through the menstrual cycle. Conversion
factor
E2: pg/mL x 3.676 = pmol/L (molecular wt = 272) SPECIAL INSTRUCTIONS: None Revised 5/22/2010 CC
TEST
NAME: ESTRONE, Serum Synonyms: Estrogen, Female
Hormone FEMALES: Conversion factor: + Revised 5/22/2010 CC
TEST NAME: ETHANOL
BREATH SCREEN, Breath Revised 5/22/2010 CC TEST NAME: ETHANOL, Plasma Synonyms: alcohol, ethyl alcohol, blood alcohol,
ETOH
Panel/Profile Component: None Patient Preparation: None SPECIMEN
COLLECTION TEST NAME: ETHANOL, Whole Blood Synonyms: alcohol, ethyl alcohol, blood alcohol, ETOH Panel/Profile Component: None Patient Preparation:
None
SPECIMEN COLLECTION: Specimen Type: Whole blood Drawing Requirements: Draw blood in a grey-top (potassium oxalate/sodium fluoride) tube and send 2 mL of potassium oxalate/sodium fluoride whole blood. Specimen must be sent in original vacutainer at ambient temperature but refrigerated or frozen specimen will also be accepted. For situations were chain-of-custody (COC) is required, call the laboratory for a Mayo Medical Laboratories Chain-of-Custody kit. Minimum Volume: 0.5
mL
Cause for Rejection: Unlabeled specimen, QNS, specimen drawn in wrong tube Specimen Handling/Stability: Specimen stable for 8 hour at room temperature. Specimen Storage Stability: Specimen stable for 7 days at -20 OC. TEST AVAILABILITY: Reference laboratory testing performed by Mayo Medical Laboratories Monday-Sunday at various times. TURN AROUND TIME:1-2 days REFERENCE RANGES: Not detected (positive results are quantified) Limit of detection: 10 mg/dL (0.01 g/dL) Legal limit of intoxication is 80 mg/dL (0.08 g/dL) Toxic concentration is dependent upon individual usage history Potentially lethal concentration: >/= 400 mg/dL (0.4 g/dL) SPECIAL INSTRUCTIONS: Specimen must be sent in original vacutainer at ambient temperature but refrigerated or frozen specimen will also be accepted. For situations were chain-of-custody (COC) is required, call the laboratory for a Mayo Medical Laboratories Chain-of-Custody kit. Revised 5/22/2010 CC
TEST NAME: ETHOSUXIMIDE (ZARONTIN),
Serum Synonyms: Ethosuximide,
Zarontin, Ethosuximide TEST NAME: ETHYLENE GLYCOL
MML # 8749 Synonyms:
None
Panel/Profile Components: None Patient Preparation: None SPECIMEN COLLECTION Specimen Type: Serum Drawing Requirements: Draw blood in a plain red - NO SERUM GEL TUBE ACCEPTED. Centrifuge and send 2 mL serum in s screw top plastic vial at room temperature. Minimum Volume: 0.3 mL Cause for Rejection: Unlabeled specimen, QNS, specimen drawn in wrong tube Specimen Handling/Stability: Specimen stable for 2 hours at room temperature. Specimen Storage Stability: Samples are sent to Mayo Medical Laboratories for testing. TEST AVAILABILITY: Reference laboratory testing performed by Mayo Medical Laboratories Monday-Sunday at various times. TURN AROUND TIME: 1-2 days REFERENCE RANGES: Toxic Concentration: >/= 20 mmol/L Lethal Concentration: >20 mmol/L SPECIAL INSTRUCTIONS: NO SERUM GEL TUBE ACCEPTED. Revised 5/23/2010 CC TEST NAME:
EXTRACTABLE NUCELAR Ag EVALUATION, Serum
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