M
Collection Tube Abbreviations
| RT = Plain Red top | GYT = Gray top | RBL = Royal Blue top |
| RHalo = Red Halo | YT = Yellow top | PT = Pink top |
| BLT = Blue top | GRN = Green top | PPT = Pearl top |
| LT = Lavender top | SGRN = Special Green | GHalo = Green Halo |
Test
(TEST CODE)Lab
SectionSpecial
RequirementsReference Ranges and Critical Values Testing Schedule and Expected
Turnaround
TimeMAG Antibody
Ref 7 ml blood, 1 large RT No antibody detected Mailout: 5-7 days
ARUPMagnesium, Serum
Adult (MG)
Neonate (MAGP2)Chem /
Peds LabAdults: 5 ml blood, 1 Light Green
Infants: 1 green or amber bullet tube1.8 - 2.9 mg/dL Critical: <1.0 mg/dL
>9.0 mg/dLPediatric: <1.3 mg/dL
>3.9 mg/dL24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hr
Peds Lab:
Routine: 2 hrs
STAT: 1 hrMagnesium, Urine
(UMG2)Chem 24 hr urine, urine bottle obtained from Central Processing. Timed: 73-122 mg/24hr
24 hrs/ 7 days
Results: 2-4 hrs
Malaria Smears
{Blood Parasites}
(BPSM)Includes Babesia, Malaria, Trypanosomes, & Microfilaria.
Micro 3 ml blood; 1 LT
In cases of suspected malaria, specimens should be taken at intervals of 6 to 18 hours for at least three successive days.Negative
Physician will be called with Positive resultsM-F
Results: 24 hrs. After hours contact CP Resident (688- 2820).Manganese, Serum Ref 1 royal blue top, no additives 0.0 -7.8 µg/L Mailout: 5-7 days
ARUPMarijuana Screen, Serum
(THCS)Ref 10 ml blood, 1 plain RT Negative Mailout: 5-7 days
ARUPMeasles [Rubeola] Antibody, IgG
(MEASG)Ref 5 ml blood, 1 Gold Top
Label sample as "acute" or "convalescent"Interpretive report Mailout: 5-7 days
ARUPMeasles [Rubeola] Antibody, IgM
(MEASM)Ref 5 ml blood, 1 Gold Top
Label sample as "acute" or "convalescent"Interpretive report Mailout: 5-7 days
ARUPMeasles [Rubeola] Panel, IgG & IgM
(MEASP)Ref 5 ml blood, 1 Gold Top
Label sample as "acute" or "convalescent"Interpretive report Mailout: 5-7 days
ARUPMelanin, Urine Ref 10 ml random urine
Critical frozenNegative Mailout: 5-7 days
ARUPMeperidine (Demerol) Ref 7 ml blood, 1 plain RT By report Mailout: 5-7 days
ARUPMephobarbital
Ref 5 ml blood, 1 plain RT 0-3 µg/mL Mailout: 5-7 days
ARUPMeprobamate
Ref 5 ml blood, 1 plain RT 5-20 µg/mL
Toxic: >40 µg/mLMailout: 5-7 days
ARUPMercury, Blood
(HGBLD)Ref One 7 mL dark blue top with EDTA 0-60 µg/L Mailout: 5-7 days
ARUPMetanephrines Quantitation, Urine Ref 24 hr urine, refrigerated See final report for reference intervals Mailout: 5-7 days
ARUPMethadone, Serum Ref 7 ml blood, 1 plain RT By report Mailout: 5-7 days
ARUPMethadone, Urine Screen
Chem
5 ml Urine
Negative
24 hrs/7 days, Results: 2 hours, STAT:1 hour
Methanol Ref 7 ml blood, 1 plain RT Detection limit is 5 mg/dL
Toxic: >20 mg/dLMailout: 5-7 days
ARUPMethotrexate
(METX)Chem 5 ml blood, 1 Gold Top
Effective levels (µMol/L)
<10.0 at 24 hrs
<1.0 at 48 hrs
<0.1 at 72 hrs
24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hrMethsuximide/ Normethsuximide Ref 7 ml blood, 1 large RT Meth:<1 µg/mL
Normeth: 10-40 µg/mLMailout: 5-7 days
ARUPMethylmalonic Acid, Serum
(SMMA)Ref 7 ml blood, 1 large RT <0.4 µmol/L Mailout: 5-7 days
ARUPMethylmalonic Acid, Urine
(URMMA)Ref 2 ml of random or 24 hour urine 0.0-3.6 mmol/mol Creatinine Mailout: 5-7 days
ARUPMexiletine Ref 5 ml blood, 1 RT Therapeutic:1-2 µg/mL
Toxic: 1.5-3.0 µg/mLMailout: 5-7 days
ARUPMicroalbumin, Urine
24 hour (UMALB)
Random (MALBU)Chem Random Urine (>40ml) or 24h/urine, refrigerate, no preservative. Includes a routine urinalysis. Random samples positive for protein or nitrite will not be tested for microalbumin. Random: <25
Timed: <30 mg/24hMicroalbumin/Creatinine ratio: 2.0-30
M-F
Cutoff: 5 pm
Result: 24 hrsMicrofilaria Blood Smear
{Blood Parasites Smear}
(BPSM)Includes Babesia, Malaria, Trypanosomes, & Microfilaria.
Micro 3 ml blood; 1 LT
In cases of suspected malaria, specimens should be taken at intervals of 6 to 18 hours for at least three successive days.Negative
Physician will be called with Positive resultsM-F
Results: 24 hrs. After hours contact CP Resident (688- 2820).Mitochrondrial M2 Antibody, IgG
(MITAB)Ref 5 ml blood, 1 Gold Top
Separate serum from cells ASAP<1.0 units: No antibody
1.0-1.3 units: Inconclusive
>1.3 units: PositiveMailout: 5-7 days
ARUPMixing Study Screen
(50-50 mix)
(MIXSC)Heme 3.5 BLT Specimen amount is critical to maintain proper ratio of blood to anticoagulant.
Daily, 7am-11pm
Morphine, Urine Ref Random urine.
Includes quantitation of all opiatesSee final report Mailout: 5-7 days
ARUPMonospot
(MONS)Chem 5 ml blood, 1 RT Negative 24 hrs/ 7 days
Results: 2 hrs
STAT: 1 hrMycobacteria other than Tuberculosis-PCR
(MOTT)
Ref to VA CSF, sputum or tissue in sterile, no additive, leakproof transport container.
Test performed at VA hospital
Negative
Physician will be called with Positive results
M-F
Results: 7-10 days
Multiple Sclerosis Panel
(MSPAN)Ref 2 ml CSF and 6 ml blood, 1 Gold Top Interpretive report Mailout: 5-7 days
ARUPMumps Virus Antibody, IgG
(MVIR)Ref 5 ml blood, 1 Gold Top
Label sample as "acute" or "convalescent"Interpretive report Mailout: 5-7 days
ARUPMuramidase, Serum Ref See Lysozyme, Serum or Urine. Myasthenia Gravis Panel
(MGPAN)Ref 5 ml blood, 1 Gold Top Interpretive report Mailout: 5-7 days
ARUPMycoplasma Antibodies, IgG & IgM
(MYPNU)Ref 5 ml blood, 1 Gold Top
Separate serum from cells ASAP. Label sample as "acute" or "convalescent"Interpretive report Mailout: 5-7 days
ARUPMycoplasma Culture
(MYCUL)Ref Throat swab, sputum, CSF, tissue. Refer to ARUP manual for more information. Culture negative for Mycoplasma pneumoniae Mailout: up to 30 days
ARUPMyelin Basic Protein, CSF
(MYBP)Ref 1 ml CSF
Freeze.0.0-2.3 ng/mL Mailout: 5-7 days
ARUPMyocardial Antibody, IgG Ref 5 ml blood, 1 Gold Top
Separate serum from cells ASAP<1:20 No antibody detected Mailout: 5-7 days
ARUPMyoglobin
(SMYO)Chem 5 ml blood, 1 Light Green 3.0 - 70.0 µg/mL
M-F
Cutoff: 2pm
Results: Same DayMyoglobin, Urine
(UMYO)Heme 8 ml fresh urine Negative 24 hrs/ 7 days
Results: 2 hrs
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