Special chemistry – Page 8

12 Dec

THYROID STIMULATING HORMONE

December 12, 2022June 7, 2023vincentochiengde

Category

SPECIAL CHEMISTRY.

Sub Category

ENDOCRINE.

Synonyms/Aliases

THYROTROPIN; THYROTROPHIN.

Abbreviations

TSH.

^Type

INDIVIDUAL TEST

^{3 HOURS}

RESULTS READY/ REPORTED IN 3 HOURS.

^Method

IMMUNOASSAY.

^Temp

REFRIGERATED.

^Setup

DAILY.

Components Parameters

NOT APPLICABLE.

PRE-ANALYTIC CONSIDERATIONS

Test Ordering Instructions

FILL OUT TEST REQUEST FORM FULLY & LEGIBLY.

Patient preparation

N/A

Sample type

SERUM.

Container/ preservative

SERUM SEPARATOR TUBE (SST/ GEL) OR PLAIN (RED TOP) VACUTAINER.

Sample volume

AT LEAST 2ML.

Rejection criteria

LABELING ISSUE (UNLABELED/ MISLABELED); MISSING REQUEST FORM; MISMATCH BETWEEN REQUEST FORM & SAMPLE DETAILS; MISSING AGE/ GENDER; WRONG SAMPLE TYPE; INSUFFICIENT SAMPLE.

Other Instructions

CENTRIFUGE SST (SERUM GEL TUBES) WITHIN 1-2 HOURS OF COLLECTION. CENTRIFUGE RED TOP VACUTAINERS AND ALIQUOT SERUM WITHIN 1-2 HOURS OF COLLECTION. THE SEPARATION VIAL MUST BE LABELED WITH AT LEAST 2 PATIENT IDENTIFIERS AND THE SAMPLE TYPE.

Reference intervals

AGE & GENDER APPROPRIATE VALUES ARE PROVIDED ON THE REPORT.

Clinical Utility

SCREENING, DIAGNOSIS OF HYPOTHYROIDISM, HYPERTHYROIDISM. ASSESSMENT OF TREATMENT RESPONSE.

Test Limitations/ Confounders

IMMUNOASSAY INTERFERENCE CAN GIVE RISE TO SPURIOUS RESULTS. SUCH INTERFERENCE CAN ARISE FROM PRESENCE OF HETEROPHILE ANTIBODIES, ANTI-ANIMAL ANTIBODIES, AUTOANTIBODIES, PARAPROTEINS, BIOTIN ETC. RESULTS SHOULD ALWAYS BE CORRELATED WITH CLINICAL FINDINGS.

12 Dec

VITAMIN B12

December 12, 2022June 8, 2023vincentochiengde

Category

SPECIAL CHEMISTRY.

Sub Category

ANEMIA & NUTRITION.

Synonyms/Aliases

COBALAMIN.

Abbreviations

VIT B12.

^Type

INDIVIDUAL TEST.

^{3 HOURS}

RESULTS READY IN 3 HOURS.

^Method

IMMUNOASSAY

^Temp

REFRIFERATED.

^Setup

DAILY.

Components Parameters

N/A

PRE-ANALYTIC CONSIDERATIONS

Test Ordering Instructions

FILL OUT TEST REQUEST FORM FULLY & LEGIBLY. ORDER TEST BEFORE ADMINISTERING VITAMIN B12.

Patient preparation

N/A

Sample type

SERUM.

Container/ preservative

SERUM SEPARATOR TUBE (SST/ GEL) OR PLAIN (RED TOP) VACUTAINER.

Sample volume

AT LEAST 2ML.

Rejection criteria

LABELING ISSUE (UNLABELED/ MISLABELED); MISSING REQUEST FORM; MISMATCH BETWEEN REQUEST FORM & SAMPLE DETAILS; MISSING AGE/ GENDER; WRONG SAMPLE TYPE; INSUFFICIENT SAMPLE. SAMPLES COLLECTED IN OTHER TUBES.

Other Instructions

Reference intervals

AGE & GENDER APPROPRIATE VALUES ARE PROVIDED ON THE REPORT.

Clinical Utility

IN MEGALOBLASTIC ANEMIA, PARTIAL/ TOTAL GASTRECTOMY, PERNICIOUS ANEMIA, PERIPHERAL NEUROPATHIES, CHRONIC ALCOHOLISM, DEMENTIA.

Test Limitations/ Confounders

12 Dec

INSULIN

December 12, 2022June 7, 2023vincentochiengde

Category

SPECIAL CHEMISTRY.

Sub Category

ENDOCRINE.

Synonyms/Aliases

N/A.

Abbreviations

N/A.

^Type

INDIVIDUAL TEST

^{5 Days}

RESULTS READY/ REPORTED IN 5 WORKING DAYS.

^Method

IMMUNOASSAY.

^Temp

FROZEN, -20℃ (PREFERRED) OR REFRIGERATED. LIMITED STABILITY AT AMBIENT (ROOM) TEMPERATURE WHICH SHOULD BE AVOIDED.

^Setup

BATCHED.

Components Parameters

NOT APPLICABLE.

PRE-ANALYTIC CONSIDERATIONS

Test Ordering Instructions

FILL OUT TEST REQUEST FORM FULLY & LEGIBLY. HISTORY REQUIRED.

Patient preparation

10-12 HOURS FASTING. FASTING MEANS THAT ONLY WATER AND PRESCRIBED MEDICATION ARE PERMITTED DURING THE FASTING PERIOD.

Sample type

SERUM.

Container/ preservative

SERUM SEPARATOR TUBE (SST/ GEL) OR PLAIN (RED TOP) VACUTAINER.

Sample volume

AT LEAST 2ML.

Rejection criteria

LABELING ISSUE (UNLABELED/ MISLABELED); MISSING REQUEST FORM; MISMATCH BETWEEN REQUEST FORM & SAMPLE DETAILS; MISSING AGE/ GENDER; WRONG SAMPLE TYPE; INSUFFICIENT SAMPLE; NON-FASTING SAMPLE.

Other Instructions

Reference intervals

AGE & GENDER APPROPRIATE VALUES ARE PROVIDED ON THE REPORT.

Clinical Utility

EVALUATION OF HYPOGLYCEMIA (E.G. SUSPECTED INSULINOMA) & INSULIN RESISTANCE. CONCURRENT GLUCOSE & C-PEPTIDE LEVELS CAN AID IN INTERPRETATION OF INSULIN LEVELS E.G. AS PART OF THE HOMA INDEX.

Test Limitations/ Confounders

12 Dec

PROGESTERONE

December 12, 2022June 7, 2023vincentochiengde

Category

SPECIAL CHEMISTRY.

Sub Category

ENDOCRINE.

Synonyms/Aliases

N/A.

Abbreviations

P4.

^Type

INDIVIDUAL TEST

^{3 HOURS}

RESULTS READY/ REPORTED IN 3 HOURS.

^Method

IMMUNOASSAY.

^Temp

AMBIENT (25℃): 6HOURS; R (2℃-8℃): 5DAYS; F (-20℃): 60DAYS.

^Setup

DAILY.

Components Parameters

NOT APPLICABLE.

PRE-ANALYTIC CONSIDERATIONS

Test Ordering Instructions

FILL OUT TEST REQUEST FORM FULLY & LEGIBLY. MENTION FIRST DATE OF LAST MENSTRUAL PERIOD. SPECIFY IF PREGNANT.

Patient preparation

N/A

Sample type

SERUM. HEPARIN PLASMA IS AN ACCEPTABLE ALTERNATE SPECIMEN.

Container/ preservative

SERUM SEPARATOR TUBE (SST/ GEL) OR PLAIN (RED TOP) VACUTAINER.

Sample volume

AT LEAST 2ML.

Rejection criteria

LABELING ISSUE (UNLABELED/ MISLABELED); MISSING REQUEST FORM; MISMATCH BETWEEN REQUEST FORM & SAMPLE DETAILS; MISSING AGE/ GENDER; WRONG SAMPLE TYPE; INSUFFICIENT SAMPLE.

Other Instructions

Reference intervals

AGE, GENDER, MENSTRUAL PHASE (FOLLICULAR PHASE VS. MID CYCLE PEAK VS. LUTEAL PHASE) SPECIFIC, POST MENOPAUSAL REFERENCE INTERVALS (AS APPROPRIATE) ARE PROVIDED ON THE REPORT.

Clinical Utility

ASSESSMENT OF INFERTILITY, ABNORMAL UTERINE BLEEDING, CONFIRM OVULATION (LEVELS PEAK IN LUTEAL PHASE), CORPUS LUTEUM INSUFFICIENCY, PLACENTAL HEALTH IN PREGNANCY.

Test Limitations/ Confounders

LEVELS DIFFER IN PREGNANCY & BY PREGNACY TRIMESTER. IMMUNOASSAY INTERFERENCE CAN GIVE RISE TO SPURIOUS RESULTS. SUCH INTERFERENCE CAN ARISE FROM PRESENCE OF HETEROPHILE ANTIBODIES, ANTI-ANIMAL ANTIBODIES, AUTOANTIBODIES, PARAPROTEINS, BIOTIN ETC. RESULTS SHOULD ALWAYS BE CORRELATED WITH CLINICAL FINDINGS.

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