Overview
Plasma derivatives are pharmaceutical products manufactured by fractionating pooled donor plasma into purified proteins, including albumin, immune globulin preparations, and clotting-factor concentrates, distinct from single-donor blood-bank components such as FFP or cryoprecipitate.
Classification
| Category | Example products (educational) | Typical use framing |
|---|---|---|
| Volume expander / oncotic support | Albumin 5%, Albumin 25% | Volume/oncotic support, clinician-directed indication |
| Immune globulin | IVIG, SCIg | Passive immune support / immunomodulation, clinician-directed indication |
| Clotting-factor concentrate | Factor VIII, Factor IX, PCC, fibrinogen concentrate | Specific factor deficiency or anticoagulant reversal, clinician-directed indication |
Morphologic Features
Not applicable, plasma derivatives are purified manufactured proteins, not cellular or morphology-based products.
Laboratory Characteristics
- Manufacturer packaging with lot number and expiration date (not a donor unit number)
- Segregated storage from patient-specific blood-bank component inventory in most institutions
- No donor testing, ABO/Rh typing, or crossmatch attached to the product
- Reconstitution and post-opening stability rules are product-specific, see package insert
Reference Intervals
Not applicable in the reference-interval sense, plasma derivatives are dosed and administered per clinical indication and manufacturer labeling, not interpreted against a laboratory reference range. Storage temperature and shelf-life specifics are manufacturer- and product-specific; verify the current package insert and institutional policy rather than assuming a universal figure.
Clinical and Laboratory Significance
Plasma derivatives are therapeutic products, not diagnostic tests. Their laboratory relevance is process-based: correct identification, storage compliance, and documented issue when the transfusion service participates in the distribution pathway.
Differential Considerations
Not a diagnostic category. The relevant distinction is process-based: is the requested product a manufactured plasma derivative (pharmacy-style lot/expiration, no compatibility testing) or a single-donor blood-bank component (donor unit number, applicable compatibility testing)? Confirm institutional policy when a request is ambiguous.
Comparison Tables
Blood-bank component vs plasma derivative
| Feature | Blood-bank component (e.g., FFP) | Plasma derivative (e.g., albumin, factor concentrate) |
|---|---|---|
| Source | Single donor | Pooled, fractionated plasma |
| Identity anchor | Donor unit number | Manufacturer lot number |
| Compatibility testing | ABO/Rh considerations apply per product | Not typically required |
| Distribution | Blood bank | Pharmacy and/or blood bank, verify policy |
Classification Frameworks
Not applicable, plasma derivatives are manufactured pharmaceutical products, not a WHO disease classification.
Laboratory Notes
- Confirm local policy on which department manages each derivative before improvising a workflow
- Never apply blood-component storage or dating logic to a derivative by default
- Document lot number, expiration, and issue details even though compatibility testing does not apply
References
Authoritative textbooks, guidelines, and reviews supporting this reference entry. Verify reference intervals, critical limits, and reflex criteria against institutional protocols and current guideline editions.
Textbooks
- Cohn CS, Delaney M, Johnson ST, Katz LM, eds. Technical Manual. 21st ed. AABB; 2023.
- Harmening DM. Modern Blood Banking & Transfusion Practices. 7th ed. F.A. Davis; 2019.
- McPherson RA, Pincus MR. Henry's Clinical Diagnosis and Management by Laboratory Methods. 24th ed. Elsevier; 2021.
CLSI and Professional Guidelines
- AABB. Standards for Blood Banks and Transfusion Services (verify current edition and institutional adoption).
- U.S. Food and Drug Administration. Code of Federal Regulations Title 21 . Blood and Blood Components (verify current institutional adoption).
Frequently Asked Questions
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