H
Hydrogen
H&H
Hemoglobin & Hematocrit
H2O
Warer
H2O2
Hydrogen Peroxide
H, hypo
hypodermic injection
HA
Hearing Aid, Headache
HBP
High Blood Pressure
HBV
Hepatitis B Virus
HCG
Human Chrorionic Gonadotrophin
HCl
Hydrochloric Acid
hct
Hematocrit
HCV
Hepatitis C Virus
HDL
High-density lipoproteins
Hg
Mercury
Hgb, Hb
Hemoglobin
HHA
Home Health Assistant
HIPAA
Health Insurance Portability and Accountability Act
HIV
Human Immunodeficiency Virus
HMO
Health Maintenance Organization
HOB
Head of Bed
HOH
Heard of Hearing
H&P
History & Physical
Hr,hr,H,h
hour, hours
HRT
Hormone Replacement Therapy