ICD-10 Guide

Q99.8

Name: ICD-10-CM Medical Diagnosis Codes
Creator: Centers for Medicare & Medicaid Services
License: https://www.cms.gov/medicare/coding/icd10

Billable

Other specified chromosome abnormalities

BILLABLE STATUSYes

IMPLEMENTATION DATEOctober 1, 2015

LAST UPDATED08/26/2025

Code Description

ICD-10 Q99.8 is a billable code used to indicate a diagnosis of other specified chromosome abnormalities.

Key Diagnostic Point:

Other specified chromosome abnormalities

Q99.8

Code Description

Key Diagnostic Point:

Related ICD-10 Codes

Q99.8

Code Description

Key Diagnostic Point:

Related ICD-10 Codes