Q86.1

Fetal hydantoin syndrome

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 1

Q86.1code

Inclusion terms

Meadow's syndrome

Index entries leading here 4

Dysmorphism (due to)
- hydantoin Q86.1
Syndrome — see also Disease
- fetal
  - hydantoin Q86.1
- malformation, congenital, due to
  - hydantoin Q86.1
Fetus, fetal — see also condition
- hydantoin syndrome Q86.1
Meadow's syndrome Q86.1

Alongside this code 3 same parent — Q86

Q86.0 Fetal alcohol syndrome (dysmorphic) Q86.2 Dysmorphism due to warfarin Q86.8 Oth congen malform syndromes due to known exogenous causes

Medications 1

3 Persistent Fetal Circulation Syndrome drugs

MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.

Additional references

AHA Coding Clinic® Licence required

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

Risk adjustment

Maps to no condition category in any loaded model.

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

This code

Billable: yes
Code set: FY2026
Parent: Q86
Block: Q80-Q89
Siblings: 3

Present FY2024–FY2027.