05 Mar

IMMUNOGLOBULIN G (IgG)

vincentochiengde

Test Name

IMMUNOGLOBULIN G (IgG)

Aliases

IGG TOTAL; SERUM IGG

Abbreviations

IGG

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

ELAPSED (CONTINUOUS) TIME

Estimated TAT

5

TAT Units

DAYS

Test Requirements

Serum collected using a serum separator tube (SST) or a plain red-top tube. Allow the sample to clot at room temperature for 30-60 minutes. Centrifuge the sample within 1 hour to separate the serum from the clot.

Clinical Utility

Evaluation of hypogammaglobulinemia, suspected IgG deficiency, IgG gammopathy

Last Review

26th Feb 2026
05 Mar

COMPLEMENT C4

vincentochiengde

Test Name

COMPLEMENT C4

Aliases

COMPLEMENT COMPONENT 4

Abbreviations

C4

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

BUSINESS (WORKING) TIME

Estimated TAT

96

TAT Units

HOURS

Test Requirements

10-12 hr fasting preferred. Serum in plain tube (red top) or SST tube (yellow top) or in a separation vial. Centrifuge tubes within 1 hour. Separate centrifuged serum in plain tubes within 1 hour. TEMPERATURE SENSITIVE ANALYTE. Frozen (preferred) . Refrigerated acceptable. Ambient (room) temperature not acceptable.

Clinical Utility

Suspected complement consumption (e.g. in SLE, cryoglobulinemia). Monitoring disease activity, glomerulonephritis in SLE. Evaluation of recurrent unexplained bacterial infections, atypical hemolytic uremic syndrome or hereditary angioedema.

Last Review

26th Feb 2026
05 Mar

INTERLEUKIN 6 (IL-6)

vincentochiengde

Test Name

INTERLEUKIN 6 (IL-6)

Aliases

CYTOKINE, IL 6 HS

Abbreviations

-

Test Classification

INDIVIDUAL

Department

SEROLOGY

Sub Department

-

TAT Category

ELAPSED (CONTINUOUS) TIME

Estimated TAT

240

TAT Units

HOURS

Test Requirements

3ml of Serum in Gel or Plain vacutainer

Clinical Utility

Assess inflammation, infection, and other conditions, and is used to monitor disease progression, guide treatment, and evaluate responses to therapies.

Last Review

26th Feb 2026
05 Mar

N-TELOPEPTIDE (NTx), CROSS-LINKED, URINE

vincentochiengde

Test Name

N-TELOPEPTIDE (NTx), CROSS-LINKED, URINE

Aliases

CROSSLINKED N-TELOPEPTIDE OF TYPE 1 COLLAGEN; N-TELOPEPTIDE, URINE; NTX-TELOPEPTIDE; COLLAGEN CROSSLINKS.

Abbreviations

NTx

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

ELAPSED (CONTINUOUS) TIME

Estimated TAT

7

TAT Units

DAYS

Test Requirements

20 ml Urine in Urine Container. SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Frozen ANALYTE STABILITY Room Temperature: 24 hours at 20-25°C │ Refrigerated: 7 days at 2-8°C │ Frozen: 1 MONTH at -20°C

Clinical Utility

Assess bone resorption, diagnose and monitor metabolic bone diseases like osteoporosis, Paget's disease, and assess treatment effectiveness.

Last Review

26th Feb 2026
05 Mar

ADRENALINE (EPINEPHRINE), 24HR URINE

vincentochiengde

Test Name

ADRENALINE (EPINEPHRINE), 24HR URINE

Aliases

-

Abbreviations

-

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

ELAPSED (CONTINUOUS) TIME

Estimated TAT

10

TAT Units

DAYS

Test Requirements

24 hour urine collection is required; add 6M HCl as preservative to the 24 hour urine container; explain collection instructions [refer to relevant phlebotomy aid (Phleb/Aid7) or lab handbook section on 24 hour urine collection or https://www.youtube.com/watch?v=HjF-9n0FOrw video]. Submit 10mL aliquot of 24 hour urine. TOTAL 24 hour urine volume (in mL) is required (mandatory).

Clinical Utility

Catecholamine tests are most often used to diagnose or rule out certain types of rare tumors, including: pheochromocytoma, neuroblastoma, paraganglioma.

Last Review

26th Feb 2026
05 Mar

ADRENALINE (EPINEPHRINE), PLASMA

vincentochiengde

Test Name

ADRENALINE (EPINEPHRINE), PLASMA

Aliases

-

Abbreviations

-

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

ELAPSED (CONTINUOUS) TIME

Estimated TAT

10

TAT Units

DAYS

Test Requirements

3mL frozen EDTA plasma SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Frozen ANALYTE STABILITY Room Temperature: 1 day at 20-25°C │ Refrigerated: 2 days at 2-8°C │ Frozen: 1 month at -20°C

Clinical Utility

Catecholamine tests are most often used to diagnose or rule out certain types of rare tumors, including: pheochromocytoma, neuroblastoma, paraganglioma.

Last Review

26th Feb 2026
04 Mar

URINE LIPOARABINOMANNAN (LAM)

vincentochiengde

Test Name

URINE LIPOARABINOMANNAN (LAM)

Aliases

URINE LAM

Abbreviations

LF-LAM, LAM

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

BUSINESS (WORKING) TIME

Estimated TAT

2

TAT Units

HOURS

Test Requirements

10ml Urine (first morning void specimen preferred). A sterile container provided by the lab.

Clinical Utility

Adjunct in assessment of active tuberculosis (TB) in immunocompromised/ HIV positive individuals.

Last Review

26th Feb 2026
04 Mar

CATECHOLAMINES, PLASMA

vincentochiengde

Test Name

CATECHOLAMINES, PLASMA

Aliases

FRACTIONATED CATECHOLAMINES, EPINEPHRINE (ADRENALINE), NOREPINEPHRINE (NORADRENALINE)

Abbreviations

-

Test Classification

GROUPED TEST

Department

SPECIAL CHEMISTRY

Sub Department

-

ELAPSED (CONTINUOUS) TIME

Place Holder

Estimated TAT

240

TAT Units

HOURS

Test Requirements

3 mL of frozen EDTA plasma. SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Frozen ANALYTE STABILITY Room Temperature: 1 day at 20-25°C │ Refrigerated: 2 days at 2-8°C │ Frozen: 1 month at -20°C

Clinical Utility

Catecholamine tests are most often used to diagnose or rule out certain types of rare tumors, including: pheochromocytoma, neuroblastoma, paraganglioma.

Last Review

26th Feb 2026
04 Mar

METHYLMALONIC ACID, QUANTITATIVE, SERUM

vincentochiengde

Test Name

METHYLMALONIC ACID, QUANTITATIVE, SERUM

Aliases

SERUM METHYLMALONATE

Abbreviations

SERUM MMA

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

ELAPSED (CONTINUOUS) TIME

Estimated TAT

168

TAT Units

HOURS

Test Requirements

Serum in plain tube (red top) or SST tube (yellow top) or in a separation vial. Centrifuge tubes within 1 hour. Separate centrifuged serum in plain tubes within 1 hour.

Clinical Utility

Diagnose and monitor methylmalonic acidemia and latent vitamin B12 deficiency (borderline low vitamin B12 levels).

Last Review

26th Feb 2026
04 Mar

THIOPURINE METHYLTRANSFERASE (TPMT) ACTIVITY

vincentochiengde

Test Name

THIOPURINE METHYLTRANSFERASE (TPMT) ACTIVITY

Aliases

TPMT PHENOTYP; TPMT ACTIVITY; TPMT DEFICIENCY; 6-MERCAPTOPURINE (6-MP; PURINETHOL) TOXICITY; AZATHIOPRINE (IMURAN) TOXICITY.

Abbreviations

TPMT

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

ELAPSED (CONTINUOUS) TIME

Estimated TAT

7

TAT Units

DAYS

Test Requirements

2ml EDTA plasma or heparin plasma. EDTA or heparin with aliquoting of plasma into a separation vial.

Clinical Utility

To detect thiopurine methyltransferase deficiency prior to initiation of treatment with thiopurine drugs e.g. azathioprine, 6-mercaptopurine (6-MP), 6-thioguanine (6-TG) etc. TPMT deficiency predisposes to myelotoxicity (bone marrow toxicity) from standard doses of thiopurine drugs. Increased TPMT activity may be associated with resistance to thiopurine drugs & increased risk of hepatotoxicity.

Last Review

26th Feb 2026
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