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

995.21 - Arthus phenomenon

GEM Conversion to ICD-10 CM

T78.41XA

Fs: 10000 – Arthus phenomenon, initial encounter

Sibling Codes

995.20

Unspecified adverse effect of unspecified drug, medicinal and biological substance

995.21

Arthus phenomenon

995.22

Unspecified adverse effect of anesthesia

995.23

Unspecified adverse effect of insulin

995.24

Failed moderate sedation during procedure

995.27

Other drug allergy

995.29

Unspecified adverse effect of other drug, medicinal and biological substance

Parent Sibling Codes

995.0

Other anaphylactic reaction

995.1

Angioneurotic edema, not elsewhere classified

995.3

Allergy, unspecified, not elsewhere classified

995.4

Shock due to anesthesia, not elsewhere classified

995.7

Other adverse food reactions, not elsewhere classified