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ICD-10-CM Codes
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Q00-Q99
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Q10-Q18
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Q13-
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2023 ICD-10-CM Diagnosis Code Q13.1
2023 ICD-10-CM Diagnosis Code Q13.1
Absence of iris
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
- Q13.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM Q13.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of Q13.1 - other international versions of ICD-10 Q13.1 may differ.
Use AdditionalUse Additional Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
The following code(s) above
Q13.1 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
Q13.1:
- Aniridia
- Aniridia (eye condition)
- Bilateral aniridia (eye condition)
- Congenital aniridia
- Congenital aniridia of bilateral eyes
- Congenital aniridia of left eye
- Congenital aniridia of right eye
- Left aniridia (eye condition)
- Right aniridia (eye condition)
Clinical Information
- A congenital abnormality in which there is only a rudimentary iris. This is due to the failure of the optic cup to grow. Aniridia also occurs in a hereditary form, usually autosomal dominant.
- A rare genetic inherited abnormality characterized by the partial or complete absence of the iris of the eye.
Present On AdmissionPOA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
- Q13.1 is considered exempt from POA reporting.
ICD-10-CM Q13.1 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 124 Other disorders of the eye with mcc
- 125 Other disorders of the eye without mcc
Convert Q13.1 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
Code annotations containing back-references to Q13.1:
- Absence (of) (organ or part) (complete or partial)
- Agenesis
- iris Q13.1 (dilator fibers)
- Aniridia Q13.1 (congenital)
- Aplasia - see also Agenesis
- Glaucoma H40.9
ICD-10-CM Diagnosis Code H40.9
Unspecified glaucoma
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- Irideremia Q13.1
ICD-10-CM Codes Adjacent To Q13.1
Q12 Congenital lens malformations
Q12.0 Congenital cataract
Q12.1 Congenital displaced lens
Q12.8 Other congenital lens malformations
Q12.9 Congenital lens malformation, unspecified
Q13 Congenital malformations of anterior segment of eye
Q13.1
Absence of iris
Q13.2 Other congenital malformations of iris
Q13.3 Congenital corneal opacity
Q13.4 Other congenital corneal malformations
Q13.8 Other congenital malformations of anterior segment of eye
Q13.89 Other congenital malformations of anterior segment of eye
Q13.9 Congenital malformation of anterior segment of eye, unspecified
Q14 Congenital malformations of posterior segment of eye
Q14.0 Congenital malformation of vitreous humor
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
