Z73.819 — Behavioral insomnia of childhood, unspecified type
Is Z73.819 billable?
Yes, but Z73.819 is an unspecified code. Z73.819 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, Z73.819 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting Z73.819 — the more specific alternatives are listed below.
Z73.819 at a glance
| Code | Z73.819 |
|---|---|
| Description | Behavioral insomnia of childhood, unspecified type |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What Medicare edits apply to Z73.819?
The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z73.819 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 Z73.819 group to?
Z73.819 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 Z73.819 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Z73.819. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Insomnia › behavioral, of childhood (organic)
- Insomnia › childhood (organic)
Excludes2 — not included here — inherited from Z73
The conditions below are not part of Z73.819, but a patient may have both at the same time. When documentation supports it, Z73.819 and the excluded code may both be reported.
- problems related to socioeconomic and psychosocial circumstances (Z55-Z65)
How long has Z73.819 existed?
Z73.819 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.