Z92.850 — Personal history of Chimeric Antigen Receptor T-cell therapy
Is Z92.850 billable?
Yes — Z92.850 is billable for FY2027. Z92.850 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Z92.850 may be submitted for encounters from October 1, 2026 through September 30, 2027.
Z92.850 at a glance
| Code | Z92.850 |
|---|---|
| Description | Personal history of Chimeric Antigen Receptor T-cell therapy |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What Medicare edits apply to Z92.850?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z92.850 directly.
CMS will reject this code as the principal diagnosis on an inpatient claim. It describes something other than the condition chiefly responsible for the admission.
Which MS-DRGs does Z92.850 group to?
Z92.850 sits in MDC 23 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 951Other Factors Influencing Health Statusmedical
How is Z92.850 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Z92.850. They show the wording a clinician may have documented, which often differs from the Tabular description.
- History › personal › CAR-Ttherapy
- History › personal › Chimeric Antigen Receptor T-celltherapy
Inclusion terms
Alternative wording in documentation that is classified to Z92.850.
- Personal history of CAR T-cell therapy
Excludes2 — not included here — inherited from Z92
The conditions below are not part of Z92.850, but a patient may have both at the same time. When documentation supports it, Z92.850 and the excluded code may both be reported.
- postprocedural states (Z98.-)
Excludes2 — not included here — inherited from Z92.85
The conditions below are not part of Z92.850, but a patient may have both at the same time. When documentation supports it, Z92.850 and the excluded code may both be reported.
- personal history of immune checkpoint inhibitor therapy (Z92.26)
Code also — inherited from Z77-Z99
Two codes may be needed to describe the condition fully. Whether Z92.850 is sequenced first depends on the reason for the encounter.
- any follow-up examination (Z08-Z09)
How long has Z92.850 existed?
Z92.850 first appears in FY2022.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.