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

474.11 - Hypertrophy of tonsils alone

GEM Conversion to ICD-10 CM

J35.1

Fs: 00000 – Hypertrophy of tonsils

Sibling Codes

474.10

Hypertrophy of tonsil with adenoids

474.11

Hypertrophy of tonsils alone

474.12

Hypertrophy of adenoids alone

Parent Sibling Codes

474.2

Adenoid vegetations

474.8

Other chronic disease of tonsils and adenoids

474.9

Unspecified chronic disease of tonsils and adenoids