Z77.013 — Contact with and (suspected) exposure to gadolinium
Is Z77.013 billable?
Yes — Z77.013 is billable for FY2027. Z77.013 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Z77.013 may be submitted for encounters from October 1, 2026 through September 30, 2027. Z77.013 is new in FY2027.
Z77.013 at a glance
| Code | Z77.013 |
|---|---|
| Description | Contact with and (suspected) exposure to gadolinium |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| FY2027 change | New in FY2027 |
What Medicare edits apply to Z77.013?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z77.013 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 Z77.013 group to?
Z77.013 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 Z77.013 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Z77.013. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Contact › gadolinium (with)
- Exposure › gadolinium (to)
Excludes2 — not included here — inherited from Z77
The conditions below are not part of Z77.013, but a patient may have both at the same time. When documentation supports it, Z77.013 and the excluded code may both be reported.
- contact with and (suspected) exposure to communicable diseases (Z20.-)
- exposure to (parental) (environmental) tobacco smoke in the perinatal period (P96.81)
- newborn affected by noxious substances transmitted via placenta or breast milk (P04.-)
- occupational exposure to risk factors (Z57.-)
- retained foreign body (Z18.-)
- retained foreign body fully removed (Z87.821)
- toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
Code also — inherited from Z77-Z99
Two codes may be needed to describe the condition fully. Whether Z77.013 is sequenced first depends on the reason for the encounter.
- any follow-up examination (Z08-Z09)