ICD-10-CM Codes Browse (Tabular) Diagnostic External Drug Neoplasm

Z51.81 – Encounter for therapeutic drug level monitoring

Coding Notes

Active

Billable, valid for HIPAA-covered transactions

Type 1 Excludes

encounter for blood-drug test for administrative or medicolegal reasons (Z02.83)

Code Also

any long-term (current) drug therapy (Z79.-)

GEM Conversion to ICD-9 CM

V58.83

Fs: 00000 – Encounter for therapeutic drug monitoring

MDC / MS-DRG Reference

DRG 945

REHABILITATION WITH CC/MCC

DRG 946

REHABILITATION WITHOUT CC/MCC

DRG 949

AFTERCARE WITH CC/MCC

DRG 950

AFTERCARE WITHOUT CC/MCC

Back Reference of Diagnostic Codes

Encounter (with health service) (for) Z76.89

therapeutic drug level monitoring Z51.81

Monitoring (encounter for)

therapeutic drug level Z51.81

Sibling Codes

Z51.89

Encounter for other specified aftercare

Parent Sibling Codes

Z51.0

Encounter for antineoplastic radiation therapy

Z51.1

Encounter for antineoplastic chemotherapy and immunotherapy

Z51.5

Encounter for palliative care

Z51.6

Encounter for desensitization to allergens

Z51.8

Encounter for other specified aftercare

View in Tabular

Code	Title
Z00-Z99	Factors influencing health status and contact with health services (Z00-Z99)
Z40-Z53	Encounters for other specific health care (Z40-Z53)
Z51	Encounter for other aftercare and medical care
Z51.8	Encounter for other specified aftercare
Z51.81	Encounter for therapeutic drug level monitoring Type 1 Excludes encounter for blood-drug test for administrative or medicolegal reasons (Z02.83) Code Also any long-term (current) drug therapy (Z79.-)