AutoICD API

74491-2

Laboratory

Cytokeratin 7 and Thyroid transcription factor 1 Ag [Identifier] in Tissue by Immune stain

Definition

Double stain for thyroid transcription factor-1 (TTF-1) and cytokeratin 7 (CK7) useful in the diagnosis of neuroendocrine tumors (NETs).

LOINC 6-Axis Classification

Component

Cytokeratin 7 & Thyroid transcription factor 1 Ag

Property

Prid

Time Aspect

Pt

System

Tiss

Scale Type

Nom

Method Type

Immune stain

Details

Class

PATH

Order/Observation

Both

Short Name

CK7+TTF-1 Ag Tiss ImStn

Display Name

Cytokeratin 7 and Thyroid transcription factor 1 Ag Immune stain Nom (Tiss)

Related Names

AntigenAntigensAutoimmune hepatitisCKCK 7CK7CK7+TTF-1FacFactiIdentity or presenceIHCImmImmunohistochemical stainImmunostainImStnImunImuneKeratin 7NK2 homeobox 1NKX2-1NominalPathologyPoint in timeRandomStStainsStnTissueTissue, unspecifiedTTF1TTF-1

Frequently Asked Questions

What is LOINC code 74491-2?

LOINC code 74491-2 identifies "Cytokeratin 7 and Thyroid transcription factor 1 Ag [Identifier] in Tissue by Immune stain". Double stain for thyroid transcription factor-1 (TTF-1) and cytokeratin 7 (CK7) useful in the diagnosis of neuroendocrine tumors (NETs).

What does 74491-2 measure?

This code measures Cytokeratin 7 & Thyroid transcription factor 1 Ag in Tiss. It belongs to the PATH class in the LOINC classification.

What is LOINC?

LOINC (Logical Observation Identifiers Names and Codes) is a universal standard for identifying laboratory and clinical observations. It is maintained by the Regenstrief Institute and used worldwide for health data exchange.