LOINC Code 73816-1: Heparin induced platelet IgG Nar (S) [Interp]
73816-1 is a LOINC code used to identify Heparin induced platelet IgG Nar (S) [Interp] 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 Platelet factor 4 heparin complex induced Ab.IgG. It is commonly used with the system or sample type Ser.
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 Platelet factor 4 heparin complex induced Ab.IgG. It is commonly used with the system or sample type Ser.
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
What it does not mean
- The code identifies the observation or test, not the actual result.
Key facts
- Heparin induced platelet IgG Ab [Interpretation] in Serum Narrative
- Platelet factor 4 heparin complex induced Ab.IgG
- Interpretive comments are reported to aid in clinical evaluation of results for heparin associated IgG antibodies in serum.
- ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Compx; Fac; Fact; HAT; Hep; Hepar; Heparin associated thrombycytopenia; Heparin dependent antibodies; Heparin induced thromocytopenia; Heparn; HIT; HITA; Immune globulin G; Immunoglobulin G; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Narrative; PF; PF4; PF4 heparin cmplx; PF4-heparin Ab; PI-factor 4; Pl; Platelet Ab.heparin induced; Platelet type heparin inactivator; Platelets; Platelt; Plt; Point in time; Random; Report; Serology; Serum; SR; Thrombocyte; Thrombocytes
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.