Z79.6CurrentCategory · further specificity required

Long term (current) use of immunomodulators and immunosuppressants

Z77-Z99 · Inherited instructions

Code also

any follow-up examination (Z08-Z09)

Z79 · Inherited instructions

Code also

any therapeutic drug level monitoring (Z51.81)

Excludes 2 · 4

Z79.6

Excludes 2

long term (current) use of steroids (Z79.5-)
long term (current) use of agents affecting estrogen receptors and estrogen levels (Z79.81-)

Z79 · Long term (current) drug therapy

Excludes 2

drug abuse and dependence (F11-F19)
drug use complicating pregnancy, childbirth, and the puerperium (O99.32-)

More specific codes

Z79.60Long term (current) use of unspecified immunomodulators and immunosuppressants Z79.61Long term (current) use of immunomodulator Z79.62Long term (current) use of immunosuppressant Z79.63Long term (current) use of chemotherapeutic agent Z79.64Long term (current) use of myelosuppressive agent Z79.69Long term (current) use of other immunomodulators and immunosuppressants

Claims & coverage

When ICD-10-CM is required

For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.

Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.

Official coding guidelines → · CMS ↗

First observed · 2022-10-01

Code history

Latest recorded change · FY2023

ChangedUnchanged

FY2023

Effective from 2022-10-01

Added

Long term (current) use of immunomodulators and immunosuppressants

Category — select a more specific code

CDC/NCHS · FY2023

All editions (9)

All editions	Effective from	Code history
FY2023	2022-10-01	Added
FY2023 · 04-01	2023-04-01	No tabular change
FY2024	2023-10-01	No tabular change
FY2024 · 04-01	2024-04-01	No tabular change
FY2025	2024-10-01	No tabular change
FY2025 · 04-01	2025-04-01	No tabular change
FY2026	2025-10-01	No tabular change
FY2026 · April	2026-04-01	No tabular change
FY2027	2026-10-01	No tabular change

Code-level instructions

Excludes 2

long term (current) use of steroids (Z79.5-)
long term (current) use of agents affecting estrogen receptors and estrogen levels (Z79.81-)

Inherited instructions

Chapters 21 · Factors influencing health status and contact with health services (Z00-Z99)

Note

Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. This can arise in two main ways:
(a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination (immunization), or to discuss a problem which is in itself not a disease or injury.
(b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury.

Z77-Z99 · Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)

Code also

any follow-up examination (Z08-Z09)

Z79 · Long term (current) drug therapy

Includes

long term (current) drug use for prophylactic purposes

Excludes 2

drug abuse and dependence (F11-F19)
drug use complicating pregnancy, childbirth, and the puerperium (O99.32-)

Code also

any therapeutic drug level monitoring (Z51.81)

More specific codes

Z79.60Long term (current) use of unspecified immunomodulators and immunosuppressantsBillable / specific Z79.61Long term (current) use of immunomodulatorBillable / specific Z79.62Long term (current) use of immunosuppressantCategory · further specificity required Z79.63Long term (current) use of chemotherapeutic agentCategory · further specificity required Z79.64Long term (current) use of myelosuppressive agentBillable / specific Z79.69Long term (current) use of other immunomodulators and immunosuppressantsBillable / specific

Related codes

Other entries in the same category; these are not automatic substitutes.

Code	Description	Category · further specificity required
Z79.0	Long term (current) use of anticoagulants and antithrombotics/antiplatelets	Category · further specificity required
Z79.1	Long term (current) use of non-steroidal anti-inflammatories (NSAID)	Billable / specific
Z79.2	Long term (current) use of antibiotics	Billable / specific
Z79.3	Long term (current) use of hormonal contraceptives	Billable / specific
Z79.4	Long term (current) use of insulin	Billable / specific
Z79.5	Long term (current) use of steroids	Category · further specificity required
Z79.8	Other long term (current) drug therapy	Category · further specificity required

Official titles and instructions are preserved in their source language. Official sources ↗