Z87.442 — Personal history of urinary calculi
Is Z87.442 billable?
Yes — Z87.442 is billable for FY2027. Z87.442 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Z87.442 may be submitted for encounters from October 1, 2026 through September 30, 2027.
Z87.442 at a glance
| Code | Z87.442 |
|---|---|
| Description | Personal history of urinary calculi |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What Medicare edits apply to Z87.442?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z87.442 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 Z87.442 group to?
Z87.442 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 Z87.442 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Z87.442. They show the wording a clinician may have documented, which often differs from the Tabular description.
- History › personal › calculi, renal
- History › personal › kidney stones
- History › personal › renal calculi
- History › personal › urinary calculi
Inclusion terms
Alternative wording in documentation that is classified to Z87.442.
- Personal history of kidney stones
Excludes1 — never code together — inherited from Z87.44
The conditions below can never be reported together with Z87.442 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- personal history of malignant neoplasm of cervix uteri (Z85.41)
Code first — inherited from Z87
The underlying condition below must be sequenced before Z87.442. Z87.442 describes a manifestation and cannot be the principal or first-listed diagnosis.
- any follow-up examination after treatment (Z09)
Code also — inherited from Z77-Z99
Two codes may be needed to describe the condition fully. Whether Z87.442 is sequenced first depends on the reason for the encounter.
- any follow-up examination (Z08-Z09)
How long has Z87.442 existed?
Z87.442 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.