Q99.811

Billable
ChapterQ00–Q99
Ranksubcategory
Official Description

Usher syndrome, type 1

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (Q00-Q99).
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
Q90-Q99Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
Q99Other chromosome abnormalities, not elsewhere classified
Q99.8Other specified chromosome abnormalities
Q99.81Usher syndrome
Q99.811Usher syndrome, type 1Billable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Q99.811:

subcategoryQ99.81
Usher syndrome
View context instructions
blockQ90-Q99
Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
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chapterCH17
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)
View context instructions

Code History

  • FY 2025: This code replaced Q99.8 (Other specified chromosome abnormalities)

MS-DRG Classification

2026 v43.1

Cross Reference

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