ABPath Chemical Pathology study plan
ABPath Chemical Pathology · Give each week a clear focus.
8 weeks · About 7 hours per week
Disorders of metabolism & Electrolyte and acid/base disorders
Map each major metabolic disorder class (carbohydrate, lipid, amino acid, porphyria, storage) to its diagnostic analytes and confirmatory tests
Derive and practice the anion gap, delta gap, and osmolal gap calculations on 20 constructed cases
Build a one-page algorithm distinguishing respiratory vs metabolic acid-base disturbances using compensation formulas
Explain the laboratory workup sequence for suspected inborn error of metabolism in a decompensating neonate
Self-quiz 40 mixed metabolism and electrolyte items and log every miss with the underlying concept
Your checkpoint
Two-page metabolic and acid-base reference sheet plus an error log of at least 15 missed concepts
Disorders of metabolism & Electrolyte and acid/base disorders
Interpret 25 practice vignettes on electrolyte disorders (sodium, potassium, calcium, magnesium, phosphate) and justify the calculated expected values
Compare laboratory findings that separate SIADH, diabetes insipidus, and primary polydipsia
Rehearse the diagnostic pathway for hypoglycemia workup including the supervised fast and C-peptide interpretation
Summarize specimen-handling pitfalls that falsely alter potassium, calcium, and ammonia results
Your checkpoint
Completed 25-case electrolyte worksheet with written rationale for each answer
Serum protein and hemoglobin abnormalities & Disorders of coagulation and hemostasis
Differentiate monoclonal gammopathy patterns on serum and urine protein electrophoresis with immunofixation on 15 constructed cases
Sequence the laboratory evaluation of a prolonged PT or aPTT using mixing studies and factor assays
Explain the interpretive logic behind lupus anticoagulant testing and thrombophilia panels
Describe hemoglobin variant detection by electrophoresis, HPLC, and solubility testing and when each is indicated
List preanalytical variables that invalidate coagulation results and state the corrective action for each
Your checkpoint
Flowchart set for protein electrophoresis interpretation and for prolonged PT/aPTT investigation
Analytic methods and techniques & Instrumentation and equipment
Compare analytical principles of spectrophotometry, immunoassay, chromatography, mass spectrometry, and electrophoresis by sensitivity, interference, and use case
Identify the failure modes and maintenance requirements of common analyzers, centrifuges, and pipetting systems
Calculate and interpret absorbance, molar absorptivity, and calibration curve linearity problems
Explain method validation elements: accuracy, precision, linearity, limit of detection, interference, and reference interval verification
Your checkpoint
Method-comparison table covering 10 analytical techniques plus 10 solved instrumentation calculation problems
Quality control and quality management & Calculations and statistics
Construct Levey-Jennings charts and apply Westgard multirules to 20 simulated QC data sets
Calculate mean, SD, CV, and z-scores by hand and verify with a spreadsheet
Interpret proficiency testing failures and draft a corrective action sequence
Solve statistical problems on sensitivity, specificity, predictive value, ROC comparison, and reference interval determination
Distinguish internal QC, external QC, and quality assurance activities and assign each to the correct monitoring cycle
Your checkpoint
QC workbook with 20 rule-application answers and a written corrective-action template
Laboratory administrative and management requirements and practices & Patient preparation and specimen collection & Standards and units of measurement
Outline regulatory and accreditation requirements governing clinical chemistry laboratories and match each to its oversight body
Design a phlebotomy and specimen-rejection workflow that addresses patient identification, timing, and collection-tube order
Convert between conventional and SI units for 25 common analytes and state reference-interval implications
Explain reporting-critical-value policies and the documentation chain of custody for toxicology specimens
Draft a budget and staffing justification for a new chemistry analyzer using workload units
Your checkpoint
Administrative packet containing a unit-conversion table, a specimen-rejection policy, and a one-page analyzer justification memo
Clinical laboratory evaluation of organ and systemic diseases; reproduction, pregnancy, and newborn screening and monitoring; point-of-care testing; infectious disease serology and disorders of the immune system; toxicology, drug misuse, and therapeutic drug monitoring; patient care decision-making and consultation
Map laboratory panels to organ systems: cardiac, hepatic, renal, pancreatic, and endocrine markers with their diagnostic windows
Sequence prenatal, pregnancy, and newborn screening tests and state the timing and follow-up for each abnormal result
Compare point-of-care testing devices to central laboratory methods on accuracy, connectivity, and operator requirements
Interpret infectious disease serology patterns including acute vs convalescent titers, IgM pitfalls, and autoimmune serologies
Apply therapeutic drug monitoring principles: timing of levels, half-life, steady state, and free vs total drug interpretation
Your checkpoint
Organ-system and special-population test-selection guide with 30 mapped clinical scenarios
Disorders of metabolism & Electrolyte and acid/base disorders & Serum protein and hemoglobin abnormalities & Disorders of coagulation and hemostasis & Clinical laboratory evaluation of organ and systemic diseases; reproduction, pregnancy, and newborn screening and monitoring; point-of-care testing; infectious disease serology and disorders of the immune system; toxicology, drug misuse, and therapeutic drug monitoring; patient care decision-making and consultation
Re-test every concept flagged in the week 1-7 error logs and confirm mastery
Complete two timed 100-question mixed-domain practice exams with review of every incorrect item
Recite from memory the reference intervals and decision limits for the 25 most commonly tested analytes
Practice articulating consultation-style responses to 10 laboratory-interpretation questions aloud
Consolidate all deliverables into a single indexed study binder for final review
Your checkpoint
Two scored practice exams with a final error log showing resolution of at least 90 percent of previously missed concepts
Milestones
Week 2: Score at least 75 percent on a self-made 40-item metabolism and electrolyte quiz and show a written rationale for every answer
Week 4: Complete the method-comparison table and calculation set with at least 90 percent accuracy, verified against reference sources
Week 6: Produce the administrative packet and correctly convert all 25 analyte units without error
Week 8: Achieve at least 70 percent on both timed mixed-domain practice exams with all missed items documented and resolved