ICD-10-CM Q86.1 is the diagnosis code for Fetal hydantoin syndrome. This code falls under the section "Other congenital malformations" within Chapter 17 — Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where Q86.1 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, Q86.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Q86.1 is the ICD-10-CM diagnosis code for "Fetal hydantoin syndrome". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Q86.1 is Q86 ("Congenital malformation syndromes due to known exogenous causes, not elsewhere classified"). Q86.1 provides a more specific classification within this category.
Q86.1 is located in Section Q80-Q89 — "Other congenital malformations" within Chapter 17 of the ICD-10-CM Tabular List.
Use Q86.1 when the patients documented diagnosis matches "Fetal hydantoin syndrome" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Fetal hydantoin syndrome is Q86.1.
Yes, Q86.1 can be used as a primary diagnosis code since it is billable and specific.
Q86.1 is in Chapter 17 of the ICD-10-CM Tabular List.
Yes, Q86.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.