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

V58.83 - Encounter for therapeutic drug monitoring

GEM Conversion to ICD-10 CM

Z51.81

Fs: 00000 – Encounter for therapeutic drug level monitoring

Sibling Codes

V58.81

Fitting and adjustment of vascular catheter

V58.82

Fitting and adjustment of nonvascular catheter, NEC

V58.83

Encounter for therapeutic drug monitoring

V58.89

Other specified aftercare

Parent Sibling Codes

V58.0

Encounter for radiotherapy

V58.2

Blood transfusion, without reported diagnosis

V58.5

Orthodontics aftercare

V58.9

Unspecified aftercare