Test Code: 223

CPT Code(s): 82040

Methodology: Spectrophotometry (SP)

Test Code: 4418

CPT Code(s): 86431

Methodology: Immunoturbidimetry

Clinical Significance: Elevated RF is found in collagen vascular diseases such as SLE, rheumatoid arthritis, scleroderma, Sjögren's Syndrome, and in other conditions such as leprosy, tuberculosis, syphilis, malignancy, thyroid disease and in a significant percentage of otherwise normal elderly patients.

Alternative Name(s): RF

Test Code: 606

CPT Code(s): 83690

Methodology: Spectrophotometry (SP)

Clinical Significance: Confirmatory evidence for diagnosis of pancreatitis.

Alternative Name(s): Pancreatic lipase; LIP; Lipase, serum

Test Code: 10256

CPT Code(s): 80076

Includes: Total Protein, Albumin, Globulin (calculated), Albumin/Globulin Ratio (calculated), Total Bilirubin, Direct Bilirubin, Indirect Bilirubin (calculated), Alkaline Phosphatase, AST, ALT

Methodology: See individual tests

Clinical Significance: See individual tests

Alternative Name(s): Basic liver profile; LFT; Liver Function Profile

Test Code: 745

CPT Code(s): 84144

Methodology: Immunoassay

Clinical Significance: Levels increase sharply during the luteal phase of the menstrual cycle. The level increases from 9 to 32 weeks of pregnancy.

Alternative Name(s): N/A

Test Code: 7137

CPT Code(s): 83001, 83002

Methodology: Immunoassay

Sed Rate by Modified Westergren, Manual

Test Code: 29891
CPT Code: 85651
Alternative Name(s): Sed rate; ESR, Erythrocyte sedimentation rate; Westergren sed rate
Methodology: Modified Westergren
Clinical Significance: Useful in differentiating inflammatory and neoplastic diseases and as an index of disease serverity.

Test Code: 483

CPT Code(s): 82947

Methodology: Spectrophotometry (SP)

Limitations: Glucose levels may be depressed if sample is left to clot and not spun for an excessive length of time.

Test Code: 622

CPT Code(s): 83735

Methodology: Spectrophotometry (SP)

Clinical Significance: Magnesium measurements are used in the diagnosis and treatment of hypomagnesemia (abnormally low plasma levels of magnesium) and hypermagnesemia (abnormally high plasma levels of magnesium). Magnesium is decreased in chronic nephritis, acute pancreatitis, and alcoholic cirrhosis. It is increased in acute or chronic renal failure and Addison's Disease.

Alternative Name(s): MAG

Test code: 678

CPT code(s): 83935

Methodology: Freezing Point Depression

Clinical Significance: For assessing the concentrating ability of the kidney

Alternative Names: N/A