Labuha - Indonesia - Airport symbol (OAG)
Lactalbumin Hydrolysate - Biochemistry (MAE)
LA Helicopter, Inc. - ICAO designator (FAAC)
Lahore - Pakistan - Seismograph station code, US Geological Survey - Closed (SEIS)
Lahu - Language symbol (ETLW)
L & H Boats Inc., Stuart, FL - Manufacturer code for watercraft hull identification number (USCG)
Latex Agglutination-Inhibition (DB)
Launch Axis, Horizontal (MCD)
Lebanon, NH - Location identifier - FAA (FAAL)
Left Anterior Hemiblock - Cardiology
Left Atrial Hypertrophy - Cardiology
Licentiate of Apothecaries (SAUO)
Licentiate of the Apothecaries' Hall - Dublin
Light-Armed Helicopter - Military (PDAA)
Lithium Aluminum Hydride - Inorganic chemistry
Logical Analyzer of Hypothesis (IEEE)
Low-Altitude Hold - Military (CAAL)
Pakistan Law Repos, Lahore Series (SAUS)
Indian Law Reports, Lahore Series - A publication (DLA)
Indian Rulings, Lahore Series - A publication (DLA)
Pakistan Law Reports, Lahore Series - A publication (DLA)
Lahnda - MARC language code - Library of Congress (LCCP)