Q13.81

Rieger anomaly

FY2027Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders/Q10–Q18 Congenital malformations of eye, ear, face and neck

BillableComplete code, valid to report

Q13.81 (also written Q1381) is a billable ICD-10-CM diagnosis code for rieger anomaly. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 9 codes in category Q13 (Congenital malformations of anterior segment of eye). The Alphabetic Index lists it under 4 entries. Its coding notes include a Use additional code instruction, a Code also instruction and 8 Excludes2 entries.

Guidelines tip

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

Chapter 17 codes can be used for life. Manifestations that are an inherent part of a specifically coded anomaly are not coded separately. A corrected malformation is reported with a personal history code.

Guidelines I.C.17Congenital malformations and genetic disordersRead the official text

Use additional code

Add the listed code as a secondary code, if known.

This code
  • code for associated glaucoma (H42)

Code also

Two codes may be needed to describe the condition. This note gives no sequencing order.

This code
  • any other associated congenital malformations such as cardiac defects

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (8 notes)
Inherited from Q10–Q18 Congenital malformations of eye, ear, face and neck
  • cleft lip and cleft palate (Q35-Q37)
  • congenital malformation of cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4)
  • congenital malformation of larynx (Q31.-)
  • congenital malformation of lip NEC (Q38.0)
  • congenital malformation of nose (Q30.-)
  • congenital malformation of parathyroid gland (Q89.2)
  • congenital malformation of thyroid gland (Q89.2)
Inherited from Chapter 17 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
  • inborn errors of metabolism (E70-E88)

Inclusion terms

Conditions classified to this code.

This code
  • Axenfeld-Rieger syndrome

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 17 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
  • Codes from this chapter are not for use on maternal records

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 4 entries