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**Overview**: **SMA 18 Analyzer Profile****Introduction**: The SMA 18 Analyzer Profile is a diagnostic tool designed to conduct general health screening using serum samples. Associated with conditions like diabetes and liver disease, these disorders present with fatigue, jaundice, and severe complications if untreated, particularly in individuals with general health concerns. Per the 2023 Clinical Biochemistry guidelines, the test employs biochemistry with spectrophotometry technology, delivering detailed biochemical parameter analysis over 1-2 days with high sensitivity and specificity, making it a valuable tool for routine check-ups in clinical settings. This diagnostic falls under routine check-up and targets individuals with general health symptoms, addressing the challenge of accurate parameter assessment to guide treatment. With morbidity rates elevated due to underdiagnosis, the test supports public health efforts by enabling precise identification, facilitating management, and reducing complications. Its serum-based approach ensures reliable detection.**Other Names**: SMA 18 Pfl.**FDA Status**: FDA approved, CLIA certified for biochemistry, compliant with 2025 standards.**Historical Milestone**: Introduced in the 1980s by clinical labs, this test advanced general health diagnostics.**Purpose**: The test screens for 18 parameters including glucose to guide health assessment, assess organ function, and inform treatment and prevention strategies.**Test Parameters**: 1. Glucose, 2. Urea, 3. Creatinine, 4. Total Bilirubin, 5. Direct Bilirubin, 6. AST, 7. ALT, 8. ALP, 9. Total Protein, 10. Albumin, 11. Globulin, 12. Sodium, 13. Potassium, 14. Chloride, 15. Calcium, 16. Phosphorus, 17. Uric Acid, 18. Magnesium.**Pretest Condition**: Fasting 10-12 hours required; patients should report fatigue, jaundice, or recent health changes.**Specimen**: 3 mL serum in 1 SST, transported within specified times to maintain sample viability.**Sample Stability at Room Temperature**: 8 hours with proper handling to preserve analyte integrity, ensuring reliable test performance.**Sample Stability at Refrigeration**: 7 days at 2-8 degrees Celsius, suitable for short-term storage before laboratory processing, though immediate testing is preferred.**Sample Stability at Frozen**: 6 months at -20 degrees Celsius, allowing long-term storage for retesting, though freezing may affect some analytes.**Medical History**: Patients should provide details on fatigue, jaundice, prior health reactions, or family history of chronic diseases, as well as any recent trauma or treatments.**Consent**: Written informed consent is required, detailing the test's purpose, potential risks of untreated health conditions including organ failure, benefits of early detection, and minimal discomfort from sample collection.**Procedural Considerations**: The test involves sample processing using spectrophotometry and interpret results within 1-2 days using provided controls.**Factors Affecting Result Accuracy**: Delays beyond stability periods, improper storage conditions, cross-contamination with other samples, or recent dietary changes can affect results. Correlation with clinical evaluation or additional testing is recommended to confirm findings.**Clinical Significance**: Abnormal results indicate possible health issues, necessitating further investigation like specialist consultation or additional testing. Normal results may require follow-up if symptoms persist, especially in early disease stages.**Specialist Consultation**: General practitioners or specialists in internal medicine should be consulted for case management, treatment planning, and coordination with health programs.**Additional Supporting Tests**: Liver function test, kidney function test, or lipid profile for confirmation.**Test Limitations**: The test may produce false negatives in early disease stages or false positives in dietary variations, requiring a comprehensive diagnostic approach that includes clinical correlation.**References**: Clinical Biochemistry Guidelines 2023, Journal of Clinical Pathology 2024, Biochemistry 2025. |
