Z83.3 — Family history of diabetes mellitus

Billable

Is Z83.3 billable?

Yes — Z83.3 is billable for FY2027. Z83.3 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Z83.3 may be submitted for encounters from October 1, 2026 through September 30, 2027.

Z83.3 at a glance

Code	Z83.3
Description	Family history of diabetes mellitus
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

What Medicare edits apply to Z83.3?

The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z83.3 directly.

Cannot be a principal diagnosis — MCE edit 9

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 Z83.3 group to?

Z83.3 sits in MDC 15 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.

795Normal Newbornmedical

How is Z83.3 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to Z83.3. They show the wording a clinician may have documented, which often differs from the Tabular description.

History › family › diabetes mellitus

Inclusion terms

Alternative wording in documentation that is classified to Z83.3.

Conditions classifiable to E08-E13

Excludes2 — not included here — inherited from Z83

The conditions below are not part of Z83.3, but a patient may have both at the same time. When documentation supports it, Z83.3 and the excluded code may both be reported.

contact with and (suspected) exposure to communicable disease in the family (Z20.-)

Code also — inherited from Z77-Z99

Two codes may be needed to describe the condition fully. Whether Z83.3 is sequenced first depends on the reason for the encounter.

any follow-up examination (Z08-Z09)

How long has Z83.3 existed?

Z83.3 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

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