ICD-9-CM Codes ICD-9-PCS Codes

993.9 - Unspecified effect of air pressure

GEM Conversion to ICD-10 CM

T70.9XXA

Fs: 10000 – Effect of air pressure and water pressure, unspecified, initial encounter

Sibling Codes

993.0

Barotrauma, otitic

993.1

Barotrauma, sinus

993.2

Other and unspecified effects of high altitude

993.3

Caisson disease

993.4

Effects of air pressure caused by explosion

993.8

Other specified effects of air pressure

993.9

Unspecified effect of air pressure

Parent Sibling Codes

990

Effects of radiation, unspecified