Q86.8

Other congenital malformation syndromes due to known exogenous causes

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 2 never code together

Q86code

Excludes2

iodine-deficiency-related hypothyroidism (E00-E02)E00-E02
nonteratogenic effects of substances transmitted via placenta or breast milk (P04.-)P04.-

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes

No further instructional notes apply.

Index entries leading here 2

Dysmorphism (due to)
- exogenous cause NEC Q86.8
Syndrome — see also Disease
- malformation, congenital, due to
  - exogenous cause NEC Q86.8

Alongside this code 3 same parent — Q86

Additional references

AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

Present FY2024–FY2027.