Clinical Chemistry I Professional Track

Course Description

Clinical Chemistry I Professional Track is a review of the basic principles and procedures of clinical chemistry, with lecture and case studies devoted to chemical analysis of blood and other body fluids. Lab safety, specimen collection/handling/storage, lab mathematics, basic lab instrumentation and automation, data management, reference range determination, and quality control monitoring are stressed. It discusses the pathophysiology and diagnostic testing related to carbohydrate and lipid metabolism, assessments of diabetes and diabetic risk, and assessments of cardiac risk and monitoring and prognosis following myocardial infarction. Methodologies include spectrophotometry, immunodiagnostics, and computer generated analyses, and students participate in class discussions about recent research presented as abstracts, research papers, and figures. Students perform virtual laboratory activities and interpret laboratory data. Permission is required.

Within the SCNS taxonomy, MLS is the Medical Laboratory Sciences prefix. The University of West Florida publishes this at 3 semester hours through the Department of Medical Laboratory Sciences, College of Health.

⚠ The SCNS title for this number is "Clinical Chemistry"; UWF publishes it as "Clinical Chemistry I Professional Track." That difference runs across the whole Professional Track and is described below.

⚠ This course is not in the statewide priority inventory and had no guide until now; it is documented here to complete the Professional Track. Note the description opens with "a review of" rather than "an introduction to" — the standard-track MLS4625 uses the introductory wording for the same material. That single word is consistent with the track's design: it is pitched at someone who has met this content in practice and is now formalising it.

⚠⚠⚠ What the Professional Track is — read this before enrolling

• UWF runs two parallel routes through the MLS subject matter, and this course is in the second one. The standard track is split lecture-plus-laboratory courses (for example MLS4550 with MLS4550L) with general-science prerequisites, followed by hospital clinical rotations (MLS4820L–MLS4825L). The Professional Track is integrated C-suffix courses prerequisite on MLS3194 and MLS3621, and it has no rotation courses at all.
• ⚠⚠ Every Professional Track course states that "students will perform virtual laboratory activities and interpret laboratory data." There is no bench component. That is a deliberate design, not an omission.
• ⚠⚠⚠ The reason is stated in the track's own capstone. MLS4704 Clinical Management Portfolio requires the student to "provide evidence of adequate training or work experience in Hematology, Clinical Chemistry, Microbiology, and Blood Bank equivalent to an MLS clinical internship" and to present it as a portfolio. The portfolio stands in place of the hospital rotations.
• Read together, the evidence points to a degree-completion pathway for people already working in clinical laboratories — a certified technician or experienced laboratorian completing a bachelor's degree, whose bench competence already exists and is evidenced rather than taught. ⚠ That is an inference from the catalog text, not a quotation from it, and it is stated here because the practical consequences are large.
• ⚠⚠⚠ If you have no clinical laboratory work experience, this is very unlikely to be your route. The virtual laboratories will not build bench skill, and the portfolio requirement cannot be satisfied by someone with no experience to document. Confirm with the Department of Medical Laboratory Sciences which track you belong in before enrolling in anything.
• ⚠⚠ Certification eligibility is the question to settle first. ASCP Board of Certification routes differ by education and experience, and Florida requires state licensure on top of certification. Ask the department, in writing, which certification route this track prepares you for and what experience it assumes you already hold.

⚠⚠ The C suffix here does not mean what it means elsewhere in Florida

• Across Florida a C suffix normally marks an integrated lecture-plus-laboratory version of a course. In this prefix it marks a separate programme track with different prerequisites and a different intended student.
• ⚠ SCNS offers a small set of course-designation options — no suffix, C, L — and every course has to be filed under one of them. A lecture course carrying virtual laboratory activities is closest to C, so that is the slot it gets. The suffix records a filing decision, not the content.
• ⚠⚠ The same caution applies to the L suffix in this prefix, where MLS4820L–MLS4825L are supervised hospital rotations rather than campus laboratories.
• Read the description, not the suffix. This matters when a transfer evaluator or an employer reads a transcript line and assumes the statewide convention applies.

⚠ The contact-hour figure is derived — the University of West Florida publishes none

UWF's catalog publishes a credit value in semester hours, the college and department, prerequisites, co-requisites, fee notices, and a description. It does not publish contact hours, a lecture and laboratory split, or terms of offering for any course. Every contact-hour value in a UWF guide in this repository is therefore derived. The figure here applies the standard lecture convention of 15 contact hours per credit, giving 45 hours for a 3-semester-hour course. ⚠ Note that the laboratory activities in this course are virtual and are carried inside the same enrolment, so no separate laboratory hours are added. Confirm the meeting schedule with the department. No fee notice is published on this entry, which is consistent with a course that uses virtual rather than physical laboratory activities.

Learning Outcomes

Required Outcomes

• Apply clinical laboratory safety practice to chemical and biological hazards.
• Describe specimen collection, handling, and storage requirements for chemistry.
• Identify specimen conditions that invalidate a chemistry result.
• Perform clinical laboratory calculations including dilutions and unit conversion.
• Describe spectrophotometry and apply the Beer-Lambert relationship.
• Describe immunoassay principles and formats.
• Describe automated analyser design and workflow.
• Describe laboratory data management and information systems.
• Determine and verify a reference interval.
• Apply quality control using Levey-Jennings charts and Westgard rules.
• Distinguish random from systematic analytical error.
• Describe carbohydrate metabolism and its regulation.
• Describe diagnosis and classification of diabetes mellitus.
• Describe glucose testing methods and glycated haemoglobin.
• Describe diabetic complications and their laboratory monitoring.
• Describe lipid metabolism and lipoprotein classes.
• Describe lipid panels and cardiovascular risk assessment.
• Describe cardiac biomarkers and their release kinetics.
• Interpret troponin results in the diagnosis of myocardial infarction.
• Evaluate recent clinical chemistry research from primary sources.

Optional Outcomes

• Relate the material to your own laboratory's procedures and platforms.
• Prepare portfolio evidence documenting competence in this discipline.
• Revise against the ASCP Board of Certification content outline for this section.
• Evaluate a recent research paper in the discipline.
• Describe emerging methods likely to affect practice in this area.

Major Topics

Required Topics

• Laboratory safety
• Specimen collection, handling, storage
• Interference and rejection criteria
• Clinical laboratory mathematics
• Spectrophotometry
• Immunodiagnostics
• Automation and analyser workflow
• Data management and LIS
• Reference interval determination
• Levey-Jennings and Westgard rules
• Random and systematic error
• Carbohydrate metabolism
• Diabetes diagnosis and classification
• Glucose and glycated haemoglobin
• Diabetic complications
• Lipid metabolism and lipoproteins
• Lipid panels and cardiovascular risk
• Cardiac biomarkers
• Troponin interpretation
• Critical appraisal of research

Optional Topics

• Local procedures and platform variation
• Portfolio evidence for this discipline
• Certification examination revision
• Current research in the discipline
• Emerging methods

Resources & Tools

• Bishop, Fody and Schoeff, Clinical Chemistry — the standard MLS text.
• Westgard QC (westgard.com) — free; the authoritative and readable source on quality control rules.
• American Diabetes Association Standards of Care — free annually; the diagnostic thresholds come from here and they are revised.
• Universal Definition of Myocardial Infarction — free; troponin is part of the diagnostic criteria rather than supporting evidence.
• CLSI C28 and EP15 — reference intervals and method verification.
• ASCP Board of Certification content guideline (ascp.org) — free; the examination is the point of the qualification, so revise against the outline from the first week.
• Florida Department of Health clinical laboratory personnel licensure (floridahealth.gov) — free; ⚠ check the requirements against your own route before you are close to graduating.
• ASCLS (ascls.org) — the professional society; membership is inexpensive and worth having while studying.

Career Pathways

• Medical and clinical laboratory technologists and technicians — SOC 29-2011 and 29-2012; a persistent national shortage occupation, and hospital laboratories recruit continuously.
• Florida hospital systems — AdventHealth, Orlando Health, BayCare, Baptist Health, Tampa General, Jackson Health, and in UWF's own region Baptist Health Care and Ascension Sacred Heart in Pensacola.
• Reference and commercial laboratories — Quest Diagnostics and Labcorp both operate substantial Florida facilities.
• Blood centres and transfusion services — OneBlood is the major Florida blood supplier.
• Public health laboratories — the Florida Department of Health Bureau of Public Health Laboratories, which handles outbreak and reportable-disease testing.
• Molecular and genetic testing laboratories — the fastest-growing segment of the field.
• Laboratory management and supervision — SOC 11-9111 adjacent; a normal progression after several years at the bench.
• In vitro diagnostics industry — applications, technical support, and field service roles with instrument and reagent manufacturers, which typically pay more than bench work.
• Pathway to further study — medical school, physician assistant, pathology assistant, and graduate work in molecular biology or public health.
• ⚠ An honest note on the work itself. Clinical laboratory scientists are largely invisible to patients and produce the majority of the objective data on which diagnoses are made. The work is shift-based, includes nights and weekends in hospital settings, and carries real consequence — a transfusion or a critical result acted on incorrectly harms someone.

Special Information

⚠⚠ Florida licenses clinical laboratory personnel — and most states do not

• Florida is one of a small number of states that require a state licence to work as clinical laboratory personnel. Licensure is administered by the Florida Department of Health, and a national certification alone is not sufficient to practise in Florida.
• ⚠ This is the single most important regulatory fact for a Florida MLS student, and it cuts both ways: graduates of a Florida programme are prepared for it, while someone certified in a non-licensure state who moves to Florida must obtain the state licence separately.
• The usual national credential is the ASCP Board of Certification MLS credential, earned by examination after completing a programme accredited by NAACLS.
• ⚠⚠ Programmatic accreditation matters more here than institutional accreditation. Eligibility to sit the certification examination generally depends on graduating from a NAACLS-accredited programme — so confirm a programme's current accreditation status directly with NAACLS before enrolling, and be careful about assuming that transferred coursework preserves eligibility.
• Laboratory testing itself is federally regulated under CLIA, which sets personnel requirements by test complexity — the framework within which both licensure and certification sit.

⚠⚠ "Permission is required" — this course is gated on programme admission

• UWF marks this course Permission is required, and the same phrase appears on nearly every course in the MLS prefix. Meeting the listed prerequisites does not make a student eligible to enrol.
• ⚠ In practice this means admission to the Medical Laboratory Sciences programme. Clinical laboratory science programmes are cohort-based and capacity-limited, because laboratory seats and clinical placements are finite — so admission is competitive and separate from admission to the university.
• ⚠⚠ Apply to the programme early and treat its deadlines as the real constraint. A student who completes every science prerequisite and misses the cohort application waits a full year, because a cohort sequence normally starts once a year — and UWF publishes no terms of offering, so this cannot be confirmed from the catalog.
• Contact the Department of Medical Laboratory Sciences, College of Health, before planning a schedule around these courses.

⚠⚠ The SCNS title and the UWF title differ across the whole track

• This is a systematic naming convention, not a one-off rename. Where SCNS names these courses Clinical X or Advanced X, UWF names them X Professional Track — across every member of the track.
• ⚠ A transfer evaluator matching on title alone will not connect them. "Clinical Hematology" and "Hematology Professional Track" do not look like the same course, and the credit values differ from the standard-track equivalents too.
• Carry a syllabus in either direction, and be explicit that this is a distinct programme route rather than an integrated version of a split pair.

⚠⚠ Virtual laboratory activities — what they do and do not provide

• Virtual laboratories are genuinely good at some things. Interpreting results, applying quality control rules, working through case correlations, and seeing rare findings that a teaching laboratory would never happen to have — all of these work well in software, and a student can repeat a case as often as they like, which a bench cannot offer.
• ⚠⚠ What they cannot provide is psychomotor skill. Pipetting accuracy, reading agglutination strength by eye, streaking for isolation, focusing a microscope on a low-density finding — these are physical skills built only by repetition with real material, and the certification examination and the employer both assume them.
• ⚠ They also cannot provide the conditions. Working accurately under time pressure, with specimens arriving continuously and a clinician on the telephone, is a large part of what a rotation teaches.
• This is why the track pairs virtual activities with a portfolio evidencing real experience — the design assumes the physical skill is already present and does not attempt to teach it.
• ⚠⚠ If you are relying on this track and your bench experience is thin or dated, say so to the department early. It is much easier to arrange supplementary experience before a certification application than after one is refused.

⚠ The standard-track equivalent, for comparison

• The same subject appears in UWF's standard track as MLS4625 Clinical Chemistry I (2 sh) with MLS4625L Clinical Chemistry I Lab (1 sh). The content overlaps substantially; what differs is the laboratory component and the intended student — the standard track has physical laboratory work and leads to hospital rotations, while this course carries virtual activities and assumes documented experience instead.
• ⚠ Credit values differ between the two versions, so a transfer evaluator cannot assume equivalence in either direction.
• Only one route applies to you. Confirm which with the department rather than choosing by what fits the timetable.

⚠⚠ Where clinical chemistry results go wrong before the analyser sees them

• Haemolysis is the commonest interference and it is directional — potassium and enzymes leak from ruptured cells, so a haemolysed specimen reports a falsely high potassium, which prompts urgent action on a patient who does not need it.
• ⚠⚠ A specimen drawn above an infusion site is the classic catastrophic error — a glucose in the hundreds with everything else diluted is the drip, not the patient.
• Delayed separation falls glucose and raises potassium, both because cells keep metabolising.
• ⚠ EDTA carryover into a chemistry tube produces a spectacular low calcium with a high potassium, which is a specimen problem masquerading as a medical emergency.
• Delta checks catch these. A result wildly different from the patient's previous one is more often a specimen problem than a clinical event — investigate before reporting.

⚠ Diagnostic thresholds are consensus values and they change

• The numbers defining diabetes are guideline thresholds, not natural boundaries, and they have been revised. Know the source rather than the number.
• ⚠⚠ Glycated haemoglobin is unreliable where red cell lifespan is altered — haemoglobinopathies, anaemia, recent transfusion and pregnancy all distort it, and haemoglobin variants are common enough in Florida's population that this is a practical caveat.
• High-sensitivity troponin detects myocardial injury, which is not the same as myocardial infarction — the rise-and-fall pattern distinguishes acute injury from chronic elevation.
• Fasting requirements for lipid panels have been relaxed in current guidance, which is a good example of practice changing on evidence.

⚠⚠ Quality control is the discipline, not a chore attached to it

• A result is worthless without evidence that the method was performing when it was produced. That evidence is quality control, and in clinical laboratory science it is the professional skill rather than an administrative overhead.
• ⚠ Learn Levey-Jennings charts and the Westgard rules properly. They are how a laboratory distinguishes normal analytical variation from a real shift or trend, and they are examined on the ASCP board certification.
• ⚠⚠ The consequence of releasing a result from an out-of-control run is a patient managed on a wrong number. Delta checks, critical value protocols, and result verification exist because that happens and because it harms people.
• Pre-analytical error dominates. Most laboratory errors occur before the specimen reaches the analyser — wrong patient, wrong tube, haemolysis, insufficient volume, wrong order of draw — and the laboratory is frequently blamed for errors that happened at collection.
• Accuracy, precision, sensitivity, specificity and predictive value are used precisely here, not loosely. Predictive value depends on disease prevalence, which is why the same test performs differently in different populations.

⚠⚠ Bloodborne pathogen exposure is a real occupational risk, and the controls are not optional

• Clinical laboratory work involves human blood and body fluids, which are treated as infectious regardless of the patient's known status. That is Standard Precautions, and it is the organising rule of laboratory practice.
• The OSHA Bloodborne Pathogens Standard (29 CFR 1910.1030) is law, not guidance — it requires an exposure control plan, personal protective equipment, engineering controls, and hepatitis B vaccination offered at no cost.
• ⚠⚠ Needlestick and sharps injuries are the highest-risk exposure route. Never recap needles by hand, dispose of sharps at the point of use, and report every exposure immediately — post-exposure prophylaxis is time-critical, and the instinct to say nothing is the dangerous one.
• Aerosol generation is the underestimated route. Uncapping tubes, centrifuge accidents, and pipetting all generate aerosols; a centrifuge that is unbalanced or opened too early is a genuine hazard.
• ⚠ Programmes normally require immunisation records, a health screening, and sometimes a background check and drug screen before clinical placement. Start these early — they take longer than students expect and can delay a placement.
• Chemical hazards sit alongside the biological ones, and both belong in the same safety habit.

Course format and position in the curriculum

• Lecture and case work with virtual laboratory activities, delivered within a single enrolment — there is no separate laboratory course.
• Prerequisite on MLS3194 and MLS3621, which together gate the entire Professional Track.
• ⚠ Permission is required, which in practice means admission to the programme and to this track specifically.
• UWF publishes no contact hours, lecture and laboratory split, or terms of offering for any course, and no fee notice appears on this entry. Confirm the offering pattern with the department.

How Florida course levels affect transfer

The first digit of an SCNS number denotes the year of offering, not transferability. Courses at the 1000 and 2000 levels transfer transparently between Florida public institutions, and 3000 to 4000 is unproblematic since both are upper division. The boundary that actually matters is 2000 to 3000, where lower-division credit generally cannot satisfy an upper-division requirement. ⚠ For clinical laboratory sciences the more important constraint is programmatic rather than numeric: courses are gated on admission to a cohort, sequenced tightly, and tied to NAACLS accreditation and to eligibility for certification — so transferring individual courses between programmes is frequently not possible even where the credit itself articulates.

MLS4626C is 3 semester hours at the University of West Florida. ⚠ It is part of a distinct programme route rather than an integrated version of a split lecture-and-laboratory pair — a distinction that matters whenever this credit is evaluated elsewhere.