Medical Abbreviations Starting With "Z"

This page lists 8 medical abbreviations starting with "Z", each with its full form and a plain-English meaning. Where one abbreviation has more than one common meaning, each meaning has its own row — context in the chart is what tells them apart. Terms flagged ⚠ Error-prone are on recognised error-prone lists and should be written out in full. Use the filter box to narrow this list, the search on the main guide to search all 5,715 entries, or jump to another letter:

A B C D E F G H I J K L M N 0–9 O P Q R S T U V W X Y

AbbreviationFull formWhat it meansUsed in
Z-plastyZ-plasty (scar revision)Geometric flap lengthening a scar contractureSurgery
Z-score growthZ-score (growth)Standard deviation measure of growth positionPediatrics Laboratory
zeroingzeroing (pressure line)Calibrating a pressure line to airNursing Emergency & Critical Care
ZESZollinger-Ellison syndromeCondition of excess stomach acid from a gastrinomaEndocrinology Gastroenterology
ZIKVZika virusMosquito-borne virus linked to birth defectsInfectious Disease Obstetrics & Gynecology Laboratory
zinc def childzinc deficiency (childhood)Growth and skin effects of low zincPediatrics Laboratory
ZnT8zinc transporter 8Pancreatic protein targeted by antibodies in type 1 diabetesLaboratory Endocrinology
ZPPzinc protoporphyrinMarker raised in lead exposure and iron deficiencyLaboratory Pediatrics Hematology & Oncology
Educational reference only. This guide is for learning and quick reference. Abbreviations vary between hospitals, countries and specialties, and some are discouraged because they can be misread. Always write and interpret orders using your own institution’s approved abbreviation list, and check anything unclear with the prescriber or your local policy.