--H--

H/H 

hemoglobin and hematocrit 

h/o

history of

H&P

history and physical

H2O

water

H2O2 

hydrogen peroxide

HA

headache

HCFA

Health Care Finance Administration

HCG

Human Chorionic Gonadotropin

HCO3

bicarbonate

Hct

hematocrit

HCVD

hypertensive cardiovascular disease

HD

hemodialysis

HEENT

head, ears, eyes, nose and throat

HELLP

hemolysis, elevated liver enzymes, and low platelets

HEM, hemat

hematology

hemorr

hemorrhage

hep

hepatitis

Hg

mercury

Hgb

hemoglobin

HGS

Gingivostomastitis Herpetic

hgt or ht

height

HHS

Home Health Service

HIB

Haemophilus influenzae type b (vaccine)

HIV

human immunodeficiency virus

HLV

herpes-like virus

HMO

Health Maintenance Organization

HNP

herniated nucleus pulposus

HOB

head of bed

HOH

hard of hearing

hosp

hospital

hpf

high-power field

HPI

history of present illness

hr, h

hour

HR

heart rate

HRI

High Risk Intervention

HRMH

Highsmith-Rainey Memorial Hospital

hs

[L. hora somni hour of sleep]  at bedtime

HSM

hepatosplenomegaly

ht

height

HTB

Halstead Reitan Battery

HTL

hearing threshold level

HTLVIII

Human T-Lymphotrophic Virus III

HTN

hypertension

HTP

House Tree Person

HV

Hemovac

HVD

hypertensive vascular disease

Hx

history 

hyper T&A

hypertrophy of tonsils and adenoids