Laboratory calculation · MC-002
Acute/baseline tryptase change (20% + 2)
Support retrospective confirmation of mast-cell activation
In development — calculation unavailable
This catalogue entry is not an approved clinical calculator. Its formula, interpretation and licensing have not been signed off. Do not use it to guide patient care.
- Intended population or setting
- Suspected anaphylaxis with paired acute and baseline tryptase
- Important cautions
- Normal tryptase does not exclude anaphylaxis; never delay epinephrine or acute care
- Specialities
- Allergy and Clinical Immunology · Anesthesiology · Emergency Medicine · Pathology
- Preferred source/version
- 20% + 2 rule; display collection timing
- Review status
- Draft · Practice parameter verified
View catalogue source ↗Source links are provided for review; they are not necessarily hosted calculators.
When released, this tool will support but not replace professional clinical judgement. Check current local guidance and the original source before use.