Q13.81 — Rieger anomaly
Q13.81 is a billable, specific ICD-10-CM code for rieger anomaly. It is valid for submission on a claim.
Use additional code
Add a secondary code to capture the detail described below.
- code for associated glaucoma (H42)
Code also
Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.
- any other associated congenital malformations such as cardiac defects
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Axenfeld-Rieger syndrome
Risk adjustment
Q13.81 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
Q13.81 is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
- A57483Billing and Coding: Visual Fields
How Q13.81 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Q13.81.
- Rieger anomaly or syndrome
- Anomaly, anomalous›Rieger
- Syndrome›Axenfeld-Rieger
- Glaucoma›in›Rieger anomaly
Related codes at this level
Codes that share Q13.8. If Q13.81 is not quite right, the correct code is usually one of these.
Questions about Q13.81
- Is Q13.81 a billable ICD-10-CM code?
- Yes. Q13.81 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does Q13.81 sit in the tabular list?
- Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Congenital malformations of eye, ear, face and neck (Q10-Q18).