LOINC Code 42635-3: Chr 12p tetrasomy Molgen Ql (Fixed tissue)
42635-3 is a LOINC code used to identify Chr 12p tetrasomy Molgen Ql (Fixed tissue) 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 Chromosome 12p tetrasomy. It is commonly used with the system or sample type Tiss fixed.
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 Chromosome 12p tetrasomy. It is commonly used with the system or sample type Tiss fixed.
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: Molgen
What it does not mean
- The code identifies the observation or test, not the actual result.
Key facts
- Chromosome 12p tetrasomy [Presence] in Fixed tissue by Molecular genetics method
- Chromosome 12p tetrasomy
- Arbitrary; Chr 12p tetrasomy; Chromosom; Chromosomes; Fixed tissue; Ftis; Isochromosome 12p; Killian Syndrome; Killian/Teschler-Nicola Syndrome; Molecular genetics; Molecular pathology; MOLPATH; Ordinal; Pallister Killian Mosaic Syndrome; Pallister Mosaic Syndrome; PCR; Point in time; QL; Qual; Qualitative; Random; Screen; Teschler-Nicola/Killian Syndrome; Tissue; Tissue, unspecified
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
Frequently asked questions
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.