Is ICD-10-CM code Q86 billable?

No, Q86 (Congenital malformation syndromes due to known exogenous causes, not elsewhere classified) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code Q86 belong to?

Q86 belongs to Chapter 17 of the ICD-10-CM tabular list: Q00–Q99 (Congenital Malformations, Deformations and Chromosomal Abnormalities).

Q86

Non-Billable

ChapterQ00–Q99

Rankcategory

Description

Congenital malformation syndromes due to known exogenous causes, not elsewhere classified

About ICD-10-CM code Q86

The ICD-10-CM tabular list places Congenital malformation syndromes due to known exogenous causes, not elsewhere classified at code Q86, inside Q00-Q99 Congenital Malformations, Deformations and Chromosomal Abnormalities, within Other congenital malformations (Q80-Q89). You should not submit this code on claims since it lacks billing specificity, use a child code.

Use a more specific code (4 billable)

Q86.0Fetal alcohol syndrome (dysmorphic)Q86.1Fetal hydantoin syndrome Q86.2Dysmorphism due to warfarin Q86.8Other congenital malformation syndromes due to known exogenous causes

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).

CH17 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

inborn errors of metabolism (E70-E88)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)

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

Clinical Hierarchy

BillableHas subcodes

CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

Q80-Q89Other congenital malformations (Q80-Q89)

Q86Congenital malformation syndromes due to known exogenous causes, not elsewhere classifiedNot billable

Q86.0Fetal alcohol syndrome (dysmorphic)Billable

Q86.1Fetal hydantoin syndromeBillable

Q86.2Dysmorphism due to warfarinBillable

Q86.8Other congenital malformation syndromes due to known exogenous causesBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q86:

chapterCH17

Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)

View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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