06 Mar

HUMAN EPIDIDYMIS PROTEIN 4 (HE4)

vincentochiengde

Test Name

HUMAN EPIDIDYMIS PROTEIN 4 (HE4)

Aliases

HUMAN EPIDIDYMAL SECRETORY PROTEIN E4, EPIDIDYMAL SECRETORY PROTEIN E4

Abbreviations

-

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

ELAPSED (CONTINUOUS) TIME

Estimated TAT

7

TAT Units

DAYS

Test Requirements

Sample Type: Serum. Fasting: Not required. Storage: Store refrigerated or frozen. Stable at 2–8°C for 2-4 days; for longer storage, freeze at –20°C or below.

Clinical Utility

Primary use: Monitoring and risk assessment of epithelial ovarian cancer. May be tested in conjunction with CA125. HE4 levels are less likely to be elevated in benign gynecological conditions compared to CA-125. Not diagnostic alone; elevated HE4 can occur in endometriosis, kidney disease, or lung cancer. Secondary use: May aid in distinguishing benign vs. malignant pelvic masses.

Last Review

26th Feb 2026
06 Mar

PROLACTIN

vincentochiengde

Test Name

PROLACTIN

Aliases

LUTEOTROPIC HORMONE, INTERSTITIAL CELL STIMULATING HORMONE, LUTROPHIN.

Abbreviations

PRL

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

BUSINESS (WORKING) TIME

Estimated TAT

3

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. SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Refrigerated ANALYTE STABILITY Room Temperature: 5 day at 20-25°C │ Refrigerated: 6 days at 2-8°C │ Frozen: 1 year at -20°C

Clinical Utility

Evaluation of galactorrhea, amenorrhea, infertility & impotence. Diagnosis and monitoring of prolactinomas (prolactin producing pituitary adenomas) & diseases of the hypothalamus.

Last Review

26th Feb 2026
06 Mar

DEXAMETHASONE SUPPRESSION TEST, CORTISOL (HIGH DOSE, 48HR, 2MG SIX HOURLY)

vincentochiengde

Test Name

DEXAMETHASONE SUPPRESSION TEST, CORTISOL (HIGH DOSE, 48HR, 2MG SIX HOURLY)

Aliases

-

Abbreviations

HIGH DOSE DST

Test Classification

PANEL (PACKAGES)

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

BUSINESS (WORKING) TIME

Estimated TAT

96

TAT Units

HOURS

Test Requirements

Refer to lab handbook (specimen management guidelines) for detailed instructions. Test components: BASAL (PRE-DEXAMETHASONE) 8AM & POST DEXAMETHASONE 8AM CORTISOL LEVELS.

Clinical Utility

Differentiating Cushing’s disease and ectopic ACTH production.

Last Review

26th Feb 2026
06 Mar

DIHYDROTESTOSTERONE

vincentochiengde

Test Name

DIHYDROTESTOSTERONE

Aliases

5-ALPHA DIHYDROTESTOSTERONE, 5Α-DIHYDROTESTOSTERONE, ANDROSTANER-3-ONE, ANDROSTANOLONE, STANOLONE

Abbreviations

DHT, 5 ALPHA DHT, HYDROXY-5Α

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

ELAPSED (CONTINUOUS) TIME

Estimated TAT

132

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

DHT is a potent testosterone-derived (via 5 alpha reductase) androgen. Evaluation of suspected male hypogonadism (low libido, erectile dysfunction, etc.), 5-alpha reductase deficiency. Evaluation of virilization & suspected hyperandrogenemia in females.

Last Review

26th Feb 2026
06 Mar

25-OH VITAMIN D

vincentochiengde

Test Name

25-OH VITAMIN D

Aliases

25-HYDROXY VITAMIN D, 25-HYDROXYCHOLECALCIFEROL

Abbreviations

D2, D3, 25(OH)D

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

BUSINESS (WORKING) TIME

Estimated TAT

3

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. When the order simply states vitamin D, select 25-hydroxyvitamin D (C1014) instead of 1,25 dihydroxyvitamin D (C1015). SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Refrigerated ANALYTE STABILITY Room Temperature: 3 DAYS at 20-25°C │ Refrigerated: 7 DAYS at 2-8°C │ Frozen: 3 MONTHS at -20°C

Clinical Utility

Diagnosis of vitamin D deficiency and monitoring supplementation in patients with bone diseases such as rickets and osteomalacia.

Last Review

26th Feb 2026
06 Mar

HOMA INDEX

vincentochiengde

Test Name

HOMA INDEX

Aliases

HOMEOSTATIC MODEL ASSESSMENT OF INSULIN RESISTANCE, HOMA INDEX, HOMA CALCULATION, INSULIN RESISTANCE INDEX

Abbreviations

HOMA-IR, HOMA2-IR

Test Classification

GROUPED TEST

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

BUSINESS (WORKING) TIME

Estimated TAT

3

TAT Units

HOURS

Test Requirements

Fasting required: At least 8–12 hours before sample collection. Avoid biotin supplements before testing (may interfere with insulin assays). Certain medications (e.g., corticosteroids, insulin therapy) may influence results.\ Test components: Fasting plasma glucose, Fasting insulin or fasting glucose and fasting c-peptide

Clinical Utility

Assesses beta cell function (HOMA2-%B), insulin sensitivity (HOMA2-%S) & insulin resistance index (HOMA2-IR) based on insulin, fasting glucose (insulin model) OR based on C-peptide, fasting glucose (C-peptide model; recommended for patients on insulin therapy).

Last Review

26th Feb 2026
06 Mar

CORTISOL, AM

vincentochiengde

Test Name

CORTISOL, AM

Aliases

-

Abbreviations

AM CORT

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

BUSINESS (WORKING) TIME

Estimated TAT

2

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. Collect between 8-9 a.m. SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Refrigerated ANALYTE STABILITY Room Temperature: 7 DAYS at 20-25°C │ Refrigerated: 7 DAYS at 2-8°C │ Frozen: 3 MONTHS at -20°C

Clinical Utility

Evaluation of Cushing’s syndrome, Cushing’s disease (hypercortisolism) and Addison’s disease (hypocortisolism).

Last Review

26th Feb 2026
06 Mar

HIGHLY SENSITIVE TROPONIN I

vincentochiengde

Test Name

HIGHLY SENSITIVE TROPONIN I

Aliases

CARDIAC TROPONIN I, HIGHLY SENSITIVE TROPONIN I, TROPONIN I

Abbreviations

CTNI

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

BUSINESS (WORKING) TIME

Estimated TAT

2

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. When the order simply states Troponin, select Troponin I (C1026) instead of Troponin T (C1027). SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Refrigerated ANALYTE STABILITY Room Temperature: 3 hours at 20-25°C │ Refrigerated: 3 days at 2-8°C │ Frozen: 4 weeks at -20°C

Clinical Utility

Evaluate suspected myocardial infarction (heart attack)/ acute coronary syndrome. For this indication, troponin is considered superior to cardiac enzymes (CK-MB, LDH, AST).

Last Review

26th Feb 2026
06 Mar

VITAMIN B12

vincentochiengde

Test Name

VITAMIN B12

Aliases

COBALAMIN, CYANOCOBALAMIN

Abbreviations

B12

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

BUSINESS (WORKING) TIME

Estimated TAT

3

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. SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Refrigerated ANALYTE STABILITY Room Temperature: 1 DAY at 20-25°C │ Refrigerated: 7 DAYS at 2-8°C │ Frozen: 3 MONTHS at -20°C

Clinical Utility

In megaloblastic anemia, partial/ total gastrectomy, pernicious anemia, peripheral neuropathies, chronic alcoholism, dementia.

Last Review

26th Feb 2026
06 Mar

VITAMIN B1

vincentochiengde

Test Name

VITAMIN B1

Aliases

THIAMINE

Abbreviations

B1

Test Classification

INDIVIDUAL

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

ELAPSED (CONTINUOUS) TIME

Estimated TAT

7

TAT Units

DAYS

Test Requirements

Photosensitive analyte - EDTA whole blood covered in aluminium foil. SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: FROZEN ANALYTE STABILITY Frozen: 6 MONTHS at -20°C

Clinical Utility

Evaluation of suspected beriberi and Wernicke-Korsakoff syndrome.

Last Review

26th Feb 2026
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