A
B
C
D
E
100

HCV

hepatitis C virus

100

HDV

hepatitis D virus

100

HEV

hepatitis E virus

100

Hg

mercury

100

Hi-cal

high calorie

200

HIPAA

Health Insurance Portability and Accountability Act

200

HIV

human immunodeficiency virus

200

HOH

hard of hearing

200

HPV

human papillomavirus

200

ht

height

300

HTN

hypertension

300

Hx

history

300

hyper

above normal, too fast, rapid

300

hypo

low, less than normal

300

1&D

incision and drainage

400

1&O

intake and output

400

IBD

inflammatory bowel disease

400

IBS

irritable bowel syndrome

400

ICU

intensive care unit

400

ID

identification, intradermal

500

i.e.

that is

500

IICU

intermediate intensive care unit

500

IM

intramuscular

500

in

inch

500

inc

incontinent