Q86.8 — Other congenital malformation syndromes due to known exogenous causes
Is Q86.8 billable?
Yes — Q86.8 is billable for FY2027. Q86.8 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Q86.8 may be submitted for encounters from October 1, 2026 through September 30, 2027.
Q86.8 at a glance
| Code | Q86.8 |
|---|---|
| Description | Other congenital malformation syndromes due to known exogenous causes |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does Q86.8 group to?
Q86.8 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.
- 794Neonate with Other Significant Problemsmedical
How is Q86.8 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Q86.8. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Dysmorphism › exogenous cause NEC (due to)
- Syndrome › malformation, congenital, due to › exogenous cause NEC
Excludes2 — not included here — inherited from Chapter 17
The conditions below are not part of Q86.8, but a patient may have both at the same time. When documentation supports it, Q86.8 and the excluded code may both be reported.
- inborn errors of metabolism (E70-E88)
Excludes2 — not included here — inherited from Q86
The conditions below are not part of Q86.8, but a patient may have both at the same time. When documentation supports it, Q86.8 and the excluded code may both be reported.
How long has Q86.8 existed?
Q86.8 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.