Lithuanian Laboratory Implementation Guide
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Lithuanian Laboratory Implementation Guide, published by Lithuanian Medical Library. This guide is not an authorized publication; it is the continuous build for version 0.0.1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7LT/ig-lt-lab/ and changes regularly. See the Directory of published versions

CodeSystem: pLVI Classification (Experimental)

Official URL: https://tx.hl7.lt/fhir/CodeSystem/plvi-classification Version: 0.0.1
Computable Name: PlviClassificationLtLab

Peritumoral lymphovascular invasion (pLVI) 6-level classification for breast cancer pathology.

This Code system is referenced in the definition of the following value sets:

Language: en

This case-sensitive code system https://tx.hl7.lt/fhir/CodeSystem/plvi-classification defines the following codes:

CodeDisplayDefinition
plvi-0 pLVI-0: not detected No lymphovascular invasion detected
plvi-1 pLVI-1: spreading, otherwise unclassified Lymphovascular invasion present, otherwise not classified
plvi-2 pLVI-2: only in lymphatic vessels and small blood vessels (L) Present only in lymphatic vessels and small blood vessels
plvi-3 pLVI-3: only in veins (large, thick-walled blood vessels) (V) Present only in veins (large, thick-walled blood vessels)
plvi-4 pLVI-4: present in both lymphatic vessels and veins (LV) Present in both lymphatic vessels and veins
plvi-9 pLVI-9: undetectable/unknown Lymphovascular invasion status not determined or unknown

Description of the above table(s).