LOINCActiveObservation

LOINC Code 50998-4: CFTR gene mutations tested for Molgen (Bld/Tiss) [#]

50998-4 is a LOINC code used to identify CFTR gene mutations tested for Molgen (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 CFTR gene mutations tested for. 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 CFTR gene mutations tested for. 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: Observation
  • Method: Molgen

What it does not mean

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

Key facts

  • CFTR gene mutations tested for [#] in Blood or Tissue by Molecular genetics method
  • CFTR gene mutations tested for
  • Number of mutations analyzed in Cystic Fibrosis genetic testing.
  • ABC35; ABCC7; Blood; CBAVD; CF; CFA; CFTR/MRP; Cnt; Count; Cystic fibrosis transmembrane conductance regulator; cystic fibrosis transmembrane conductance regulator (ATP-binding cassette sub-family C, member 7); dJ760C5.1; Gene mut tested; Genetics; Heredity; Heritable; Inherited; Molecular genetics; Molecular pathology; MOLPATH; MOLPATH.MUTATIONS; MRP7; Mut; Mut Tested; Mutation; Muts; Number; PCR; Point in time; QNT; Quan; Quant; Quantitative; Random; Tissue; Tissue, unspecified; TNR-CFTR; 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

CFTR gene mutations tested for Molgen (Bld/Tiss) [#]CFTR gene mutations tested for [#] in Blood or Tissue by Molecular genetics methodNum CFTR Mut Tested Bld/TCFTR gene mutations tested forMOLPATH.MUTCFTR gene variants tested for, Blood or tissue specimenNum

Frequently asked questions

Code details

Code50998-4
SystemLOINC
Display nameCFTR gene mutations tested for Molgen (Bld/Tiss) [#]
DescriptionCFTR gene mutations tested for
Short nameNum CFTR Mut Tested Bld/T
ComponentCFTR gene mutations tested for
PropertyNum
TimingPt
System (specimen)Bld/Tiss
ScaleQn
MethodMolgen
ClassMOLPATH.MUT
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.73

Consumer names

CFTR gene variants tested for, Blood or tissue specimen

Part names

CFTR gene mutations tested forNumPtBld/TissQnMolgenNumber (count)Point in time (spot)Blood or TissueMolecular genetics

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 50998-4 | HealthAssure