Z91.843 — Risk for dental caries, high
Is Z91.843 billable?
Yes — Z91.843 is billable for FY2027. Z91.843 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Z91.843 may be submitted for encounters from October 1, 2026 through September 30, 2027.
Z91.843 at a glance
| Code | Z91.843 |
|---|---|
| Description | Risk for dental caries, high |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What Medicare edits apply to Z91.843?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z91.843 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 Z91.843 group to?
Z91.843 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 Z91.843 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Z91.843. They show the wording a clinician may have documented, which often differs from the Tabular description.
- At risk › for › dental caries › high
- Risk › for › dental caries › high
Excludes2 — not included here — inherited from Z91
The conditions below are not part of Z91.843, but a patient may have both at the same time. When documentation supports it, Z91.843 and the excluded code may both be reported.
Code also — inherited from Z77-Z99
Two codes may be needed to describe the condition fully. Whether Z91.843 is sequenced first depends on the reason for the encounter.
- any follow-up examination (Z08-Z09)
How long has Z91.843 existed?
Z91.843 first appears in FY2018 (FY2017 is not available, so it may have appeared then).
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.