Antimicrobial Pharmacology, CLSI Breakpoints & Diagnostic Lab Biomarkers

Evidence-based antibiotic monographs (Ampicillin, Ciprofloxacin, Septra/TMP-SMX, Linezolid, Ethambutol), CLSI MIC susceptibility standards, and LOINC clinical laboratory biomarker guides.

Core Antimicrobial Monographs & Susceptibility Standards

ATC J01CA01 | RxNorm 733 • Aminopenicillin Beta-Lactam Antibiotic

Ampicillin: Mechanism of Action, Spectrum, Dosage & Susceptibility (CLSI Breakpoints)

Complete clinical pharmacology of Ampicillin (aminopenicillin), penicillin-binding protein (PBP) inhibition, Enterococcus & Listeria coverage, renal dosing adjustments, and urine culture susceptibility.

Urine Culture & Antimicrobial Susceptibility (ABST) Clinical Guide →

ATC J01MA02 | RxNorm 2551 • Second-Generation Fluoroquinolone Antibiotic

Ciprofloxacin: Fluoroquinolone Pharmacology, DNA Gyrase Inhibition, UTI & Pyelonephritis Dosing

Clinical pharmacology of Ciprofloxacin, bacterial topoisomerase II (DNA gyrase) and topoisomerase IV inhibition, acute pyelonephritis and complicated UTI protocols, Pseudomonas coverage, and tendon/neuropathy safety warnings.

Urinary Tract Infection (UTI) & Acute Pyelonephritis Clinical Guide →

ATC J04AK02 | RxNorm 4110 • First-Line Antimycobacterial Agent (RIPE Regimen)

Ethambutol: Anti-Tuberculosis Pharmacology, Arabinosyl Transferase (embB) Inhibition & Optic Neuritis Monitoring

Comprehensive clinical guide to Ethambutol hydrochloride in first-line Tuberculosis (TB) and MAC therapy, mycobacterial cell wall arabinogalactan inhibition, renal dosing, and visual acuity / Snellen & Ishihara monitoring.

Nirogi Lanka Respiratory & Infectious Disease Clinical Portal →

ATC J01XX08 | RxNorm 190376 • Synthetic Oxazolidinone Antibacterial

Linezolid: Oxazolidinone Pharmacology, MRSA & VRE Coverage, 50S Ribosomal Inhibition & CBC Monitoring

Clinical pharmacology of Linezolid (Zyvox), 23S rRNA (50S subunit) initiation complex blockade, treatment of MRSA pneumonia, VRE bacteremia, and MDR-TB, plus thrombocytopenia and MAOI serotonin syndrome precautions.

Nirogi Lanka Clinical Pharmacology & Critical Care Reference →

ATC J01EE01 | RxNorm 10831 • Synergistic Folate Pathway Antagonist (TMP-SMX 1:5)

Septra (Trimethoprim-Sulfamethoxazole / TMP-SMX / Co-trimoxazole): UTI, PCP & MRSA Pharmacology

Complete clinical guide to Septra (Bactrim / Co-trimoxazole / TMP-SMX), sequential dihydrofolate synthase and dihydrofolate reductase blockade, acute uncomplicated UTI, Pneumocystis jirovecii pneumonia (PJP), and hyperkalemia/renal monitoring.

Urinary Tract Infection (UTI) Symptoms, Diagnosis & Antibiotic Guide →

Diagnostic Laboratory Biomarker Reference Modules

LOINC 1975-2 • Hepatic & Hepatobiliary Diagnostics

Total, Direct & Indirect Bilirubin Biomarker Reference Guide

Clinical interpretation of fractionated serum bilirubin, unconjugated hyperbilirubinemia (hemolysis, Gilbert syndrome), and conjugated cholestatic jaundice.

Complete Clinical Bilirubin & Jaundice Diagnostic Guide (Nirogi Lanka) →

LOINC 630-4 • Clinical Microbiology & Infectious Disease

Urine Culture (CFU/mL) & Antimicrobial Susceptibility Biomarkers

Quantitative urine culture colony count interpretation, uropathogen identification (E. coli, Klebsiella, Proteus), ESBL resistance markers, and urinalysis correlation.

Urine Culture & Sensitivity (ABST) Complete Lab Interpretation →

LOINC 98979-8 • Nephrology & Urologic Biochemistry

Renal Function (Creatinine / eGFR) & 24-Hour Kidney Stone Metabolic Panel

Biochemical evaluation of urolithiasis (calcium oxalate, uric acid, struvite stones), CKD-EPI 2021 eGFR equations, hypercalciuria, hyperoxaluria, and hypocitraturia.

Kidney Stones (Urolithiasis) Diagnosis, Imaging & Prevention Guide →

LOINC 4548-4 • Endocrinology & Metabolic Bioinformatics

HbA1c, Fasting Insulin (HOMA-IR) & South Asian Cardiometabolic Risk Biomarkers

Glycated hemoglobin (HbA1c), HOMA-IR insulin resistance modeling, triglyceride-to-HDL ratio, and ethnic-specific BMI/waist circumference cutoffs.

South Asian vs. Global WHO BMI & Waist-to-Height Ratio Calculator →