Specialty Content

Clinical Biochemistry specialty

Clinical Biochemistry is the largest pathology discipline by sample volume. Our coverage focuses on analyser workflow, common analyte panels, immunoassay principles, and post-analytical authorisation.

Where the content lives

• Interview page — /biochemistry-interviews — Band 2 through Band 8 questions
• Embedded guides — liver function tests, renal function panels, cardiac biomarkers, thyroid function, immunoassay principles, mass spectrometry, chromatography
• Biochemistry Virtual Lab — /virtual-laboratory → Biochemistry — analyser workflow, method validation, result interpretation with UK reference ranges
• Result Interpretation — open /result-interpretation and click the Biochemistry card — common analyte panels, units conversion, abnormal-pattern recognition
• Method Validation Simulator — /method-validation — verification, validation, uncertainty of measurement
• Specialist Portfolio (Clinical Biochemistry) — /portfolio → Specialist Portfolio → Clinical Biochemistry. The platform includes worked evidence examples at /biomedical-sciences/evidence-examples-ibms-specialist-portfolio-clinical-biochemistry.

Key competencies covered

• Common analyte panels: U&E, LFT, lipids, cardiac biomarkers (troponin), thyroid (TSH/T4/T3), HbA1c, vitamin D, hormones
• Immunoassay principles — competitive vs sandwich, interferences (HAMA, biotin, heterophile)
• Chromatography — HPLC, LC-MS/MS
• POCT integration — see also article 23 (mobile/accessibility) for POCT device simulator
• Method validation per ISO 15189:2022
• Critical-value lists and escalation pathways
• Uncertainty of measurement

Common abbreviations

• U&E — Urea and Electrolytes
• LFT — Liver Function Test
• TFT — Thyroid Function Test
• HAMA — Human Anti-Mouse Antibody (assay interference)
• POCT — Point of Care Testing

Bands progression

• Band 5 (£32,073-£39,043) — qualified BMS authorising routine biochemistry, escalating critical values, supporting POCT
• Band 6 (£39,959-£48,117) — specialist method validation, deep troubleshooting, training, often requires the Specialist Portfolio
• Band 7 (£49,387-£56,515) — section lead, governance, on-call advice, complex case interpretation

Standards alignment

• Association for Clinical Biochemistry & Laboratory Medicine (ACB) — clinical guidance
• Royal College of Pathologists — biochemistry guidelines
• ISO 15189:2022 quality framework
• UK NEQAS Biochemistry scheme requirements
• NICE guidance — relevant to clinical decisions cited in interpretation

Common interview question themes (Band 5-7)

• "How would you investigate an unexpectedly low TSH with normal T4?"
• "Walk me through your immunoassay interference workflow"
• "Tell me about a method validation you led"
• "How do you handle a critical troponin out of hours?"
• "Describe an EQA failure and your investigation"

Use Practice Tests filtered to Biochemistry + your Band to rehearse. The AI Interview Coach supports rehearsal at Band 5, 6, 7, and 8 levels.