LOINCActiveBoth

LOINC Code 101663-3: T-Cell acute lymphoblastic leukemia FISH Doc (Bld/Tiss)

101663-3 is a LOINC code used to identify T-Cell acute lymphoblastic leukemia FISH Doc (Bld/Tiss) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component T-Cell acute lymphoblastic leukemia. It is commonly used with the system or sample type Bld/Tiss.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component T-Cell acute lymphoblastic leukemia. It is commonly used with the system or sample type Bld/Tiss.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Both
  • Method: FISH

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • T-Cell acute lymphoblastic leukemia in Blood or Tissue by FISH
  • T-Cell acute lymphoblastic leukemia
  • Detecting of adult, pediatric and specific neoplastic clones associated with the common chromosome abnormalities and classic rearrangements observed in patients with T-cell acute lymphoblastic leukemia (T-ALL) using client specified probes
  • Blood; Document; Finding; Findings; Fluorescent in situ hybridization; Molecular pathology; MOLPATH; Point in time; Random; T cell; T prime; TALAF; TALMF; TALPF; Tissue; Tissue, unspecified; UCHL-1; WB; Whole blood; Whole blood or Tissue

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

T-Cell acute lymphoblastic leukemia FISH Doc (Bld/Tiss)T-Cell acute lymphoblastic leukemia in Blood or Tissue by FISHTALAF Bld/T FISHT-Cell acute lymphoblastic leukemiaMOLPATHT-Cell acute lymphoblastic leukemia, Blood or tissue specimenFind

Frequently asked questions

Code details

Code101663-3
SystemLOINC
Display nameT-Cell acute lymphoblastic leukemia FISH Doc (Bld/Tiss)
DescriptionT-Cell acute lymphoblastic leukemia
Short nameTALAF Bld/T FISH
ComponentT-Cell acute lymphoblastic leukemia
PropertyFind
TimingPt
System (specimen)Bld/Tiss
ScaleDoc
MethodFISH
ClassMOLPATH
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.75
Last changed2.75

Consumer names

T-Cell acute lymphoblastic leukemia, Blood or tissue specimen

Part names

T-Cell acute lymphoblastic leukemiaFindPtBld/TissDocFISHFindingPoint in time (spot)Blood or TissueFluorescent in situ hybridization (FISH)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 101663-3 | HealthAssure