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Occult Blood, Stool

Test Code: 431 CPT Code: 82274
Specimen Type: Stool sample in leak proof container.
Sample Volume: NA
Transport Condition: Room temperature
Specimen Rejection Criteria: Contaminated with urine
Methodology: Manual
Special Requirements: No special precautions needed
Clinical Significance:

Detection of abnormal bleeding from GI tract.

Run Day: Daily
Reporting Day: Same day

Oligoclonal Bands, CSF

Test Code: 13174 CPT Code: 83916
Specimen Type: CSF
Sample Volume: 3.0 mL
Transport Condition: Refrigerated/ frozen condition
Specimen Rejection Criteria: Nil
Methodology: Immunofixation with Isoelectric Focusing
Special Requirements: No special precautions needed
Clinical Significance:

Oligoclonal band (OCB) detection is used for diagnosis of multiple sclerosis (MS); especially in patients with equivocal clinical presentation and radiological findings. This assay is based on increased intrathecal immunoglobulin synthesis. AbnormalOCB patterns have been reported in 70% to 80% of MS patients.

Run Day: Thurs
Reporting Day: 6th day

Opiates, Urine

Test Code: 6959 CPT Code: 80299
Specimen Type: Urine in sterile leak proof container
Sample Volume: 10 mL
Transport Condition: Room temperature
Specimen Rejection Criteria: Urine with preservative
Methodology: Flowchromatographic Immunoassay
Special Requirements: No special precautions needed
Clinical Significance:

Drug of Abuse

Run Day: Daily
Reporting Day: 3rd day

Organic Acid Screen, Urine

Test Code: 13336 CPT Code: 83919
Specimen Type: Random urine
Sample Volume: 20 mL (10mL - min)
Transport Condition: Frozen condition
Specimen Rejection Criteria: Nil
Methodology: GS/MS
Special Requirements:
Clinical Significance:

Organic acids are produced as physiologic intermediates in a variety of metabolic pathways. Organic acidurias are a group of disorders in which one or more of these pathways are blocked, resulting in a deficiency of normal products and an abnormal accumulation of intermediate metabolites (organic acids).
These excess organic acids are excreted in the urine. This assay aids in the diagnosis of such inborn errors of metabolism.

Run Day: Mon to Fri
Reporting Day: 10th day

Osmolality, 24 Hrs, Urine

Test Code: 15983 CPT Code: 81050,83935
Specimen Type: 24 hrs urine
Sample Volume: 5 mL
Transport Condition: Refrigerated condition
Specimen Rejection Criteria: Nil
Methodology: Freezing Point Depression
Special Requirements: 24 hrs urine without preservative. Refrigerate during collection.
Clinical Significance:

Urine osmolality is a measure of the concentration of osmotically active particles, principally sodium, chloride, potassium, urea, and glucose if present.
This assay is used for assessing the concentrating ability of the kidneys. In chronic renal failure, the concentrating ability of the tubules is diminished, which may be demonstrated with a urine osmolality measurement. In polyuria due to diabetes insipidus, the urine osmolality is very low, and this may be used to differentiate this condition from polyuria of neurogenic origin.

Run Day: Mon, Wed, Fri
Reporting Day: Same day

Osmolality, Serum

Test Code: 6258 CPT Code: 83930
Specimen Type: Serum collected in a yellow-top tube
Sample Volume: 3.0 mL (1.0mL - min)
Transport Condition: Room temperature
Specimen Rejection Criteria: Grosshemolysis and hyperlipemic
Methodology: Freezing point depression
Special Requirements: No special precautions needed
Clinical Significance:

Serum osmolality is increased in hypernatremia, hyperglycemia, uremia, ethanol, methanol, or ethylene glycol overdoses, and in diabetes insipidus.

Run Day: Mon, Wed, Fri
Reporting Day: Next day

Osmolality, Urine

Test Code: 1297 CPT Code: 83935
Specimen Type: Urine in sterile leak proof container
Sample Volume: 2.0 mL
Transport Condition: Room temperature
Specimen Rejection Criteria: NA
Methodology: Freezing point depression
Special Requirements: No special precautions needed
Clinical Significance:

Urine osmolality is a measure of the concentration of osmotically active particles, principally sodium, chloride, potassium, urea, and glucose if present.This assay is used for assessing the concentrating ability of the kidneys. In chronic renal failure, the concentrating ability of the tubules is diminished, which may be demonstrated with a urine osmolality measurement. In polyuria due to diabetes insipidus, the urine osmolality is very low, and this may be used to differentiate this condition from polyuria of neurogenic origin.

Run Day: Mon, Wed, Fri
Reporting Day: Next day

Other Tissue Biopsies (Tissues measuring upto 2 cm in maximum dimension) (Single Block)

Test Code: 2877 CPT Code: No CPTcode
Specimen Type: Tissue
Sample Volume: Specimen in 10% buffered formalin
Transport Condition: Room temperature
Specimen Rejection Criteria: Received frozen
Methodology: Microscopic
Special Requirements: Clinical history and sample site are essential
Clinical Significance:

The nature of possible underlying disease can be ruled out/confirmed through histopathological examination

Run Day: Daily, except Fri
Reporting Day: 4th day

Other Tissue Biopsies (Tissues measuring upto 2 cm in maximum dimension) (Upto 3 Blocks)

Test Code: 2883 CPT Code: No CPTcode
Specimen Type: Tissue
Sample Volume: Specimen in 10% buffered formalin
Transport Condition: Room temperature
Specimen Rejection Criteria: Received frozen
Methodology: Microscopic
Special Requirements: Clinical history and sample site are essential
Clinical Significance:

The nature of possible underlying disease can be ruled out/confirmed through histopathological examination

Run Day: Daily, except Fri
Reporting Day: 4th day

Ovary, Cystectomy, Non cancerous lesions

Test Code: 1382 CPT Code: 88305
Specimen Type: Tissue
Sample Volume: Specimen in 10% buffered formalin
Transport Condition: Room temperature
Specimen Rejection Criteria: Received frozen
Methodology: Microscopic
Special Requirements: Clinical history and sample site are essential
Clinical Significance:

The nature of possible underlying disease can be ruled out/confirmed through histopathological examination

Run Day: Daily, except Fri
Reporting Day: 4th day

Ovary, Oophorectomy, Large Cysts and Tumors

Test Code: 1402 CPT Code: 88307
Specimen Type: Tissue
Sample Volume: Specimen in 10% buffered formalin
Transport Condition: Room temperature
Specimen Rejection Criteria: Received frozen
Methodology: Microscopic
Special Requirements: Clinical history and sample site are essential
Clinical Significance:

The nature of possible underlying disease can be ruled out/confirmed through histopathological examination

Run Day: Daily, except Fri
Reporting Day: 4th day

Oxalate, 24 hrs, Urine

Test Code: 6870 CPT Code: 83945
Specimen Type: Urine (24 hrs urine in HCL)
Sample Volume: 10 mL
Transport Condition: Refrigerated/ frozen condition
Specimen Rejection Criteria: NA
Methodology: Spectrophotometry
Special Requirements: 24 hrs urine collected in 10 mL conc HCL. Refrigerate during collection. Mention 24 hrs total urine volume on TRF along with patient age, gender and clinical history
Clinical Significance:

Assessment of kidney stone disorders

Run Day: Wed, Sat
Reporting Day: Same day