ICDcodes.org
FY2027

Z79.63 — Long term (current) use of chemotherapeutic agent

Not billable

Is Z79.63 billable?

No — Z79.63 is a non-billable header code. Z79.63 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 5 billable codes beneath Z79.63.

Z79.63 at a glance

CodeZ79.63
DescriptionLong term (current) use of chemotherapeutic agent
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Excludes2 — not included here — inherited from Z79

The conditions below are not part of Z79.63, but a patient may have both at the same time. When documentation supports it, Z79.63 and the excluded code may both be reported.

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

Excludes2 — not included here — inherited from Z79.6

The conditions below are not part of Z79.63, but a patient may have both at the same time. When documentation supports it, Z79.63 and the excluded code may both be reported.

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

Code also — inherited from Z77-Z99

Two codes may be needed to describe the condition fully. Whether Z79.63 is sequenced first depends on the reason for the encounter.

  • any follow-up examination (Z08-Z09)

Code also — inherited from Z79

Two codes may be needed to describe the condition fully. Whether Z79.63 is sequenced first depends on the reason for the encounter.

  • any therapeutic drug level monitoring (Z51.81)

What codes fall under Z79.63? (5)

How long has Z79.63 existed?

Z79.63 first appears in FY2023.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

What other codes are in the Z79.6 family? (5)