2026 ICD-10-CM Diagnosis Code Q13.5Blue sclera

ICD-10-CM Codes›Q00-Q99›Q10-Q18›Q13

ICD-10-CM Q13.5
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q13.5 is a billable ICD-10-CM diagnosis code for blue sclera. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 124 through 125. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Congenital malformations of eye, ear, face, neck.

Code Identity

ICD-10-CM Code
Q13.5
Billable Status
Yes — Valid for Submission
Code Describes
Blue sclera
Short Description
Blue sclera
Same as the full description in the CMS dataset.
Parent Code
Q13
Congenital malformations of anterior segment of eye

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ10-Q18Congenital malformations of eye, ear, face and neck
CategoryQ13Congenital malformations of anterior segment of eye
This CodeQ13.5Blue sclera

Present on Admission (POA)Billing

Q13.5 is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Abnormal blue sclerae
  • Bilateral congenital anomaly of sclera
  • Blue sclera of bilateral eyes
  • Congenital anomaly of left sclera
  • Congenital anomaly of right sclera
  • Congenital anomaly of sclera
  • Dentinogenesis imperfecta
  • Hydrocephalus, blue sclera, nephropathy syndrome
  • Osteogenesis imperfecta type I
  • Osteogenesis imperfecta with blue sclerae AND dentinogenesis imperfecta
  • Osteogenesis imperfecta with blue sclerae AND normal teeth

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Blue
      • sclera
    • Imperfect
      • closure (congenital)
        • sclera

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MAL005
Congenital malformations of eye, ear, face, neck
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Dentinogenesis Imperfecta

    an autosomal dominant disorder of tooth development characterized by opalescent dentin resulting in discoloration of the teeth. the dentin develops poorly with low mineral content while the pulp canal is obliterated.

  • COL1A2 wt Allele|COL1A2|Collagen Type I Alpha 2 Chain wt Allele|Collagen of Skin, Tendon and Bone, Alpha-2 Chain Gene|Collagen, Type I, Alpha 2 Gene|Collagen, Type I, Alpha-2 Gene|EDSARTH2|EDSCV|OI4|Osteogenesis Imperfecta Type IV Gene

    human col1a2 wild-type allele is located in the vicinity of 7q22.1 and is approximately 37 kb in length. this allele, which encodes collagen alpha-2 (i) chain protein, plays a role in the structural integrity of tendons, ligaments and bones. mutations in the gene are associated with atypical marfan syndrome, ehlers-danlos syndrome types and osteogenesis imperfecta types.

  • Dentinogenesis Imperfecta

    a congenital tooth development disorder caused by mutations in the dspp gene. the teeth are weak, discolored, and translucent.

  • COL1A2 wt Allele|COL1A2|Collagen Type I Alpha 2 Chain wt Allele|Collagen, Type I, Alpha 2 Gene|OI4|Osteogenesis Imperfecta Type IV Gene

    human col1a2 wild-type allele is located in the vicinity of 7q22.1 and is approximately 37 kb in length. this allele, which encodes collagen alpha-2 (i) chain protein, plays a role in the structural integrity of tendons, ligaments and bones. mutations in the gene are associated with atypical marfan syndrome, ehlers-danlos syndrome types and osteogenesis imperfecta types.

  • Osteogenesis Imperfecta Type I

    the mildest and most common type of osteogenesis imperfecta. it is characterized by bone fractures, muscle weakness, and loose joints. bone deformities are either absent or minimal.

  • Osteogenesis Imperfecta Type II

    a severe form of osteogenesis imperfecta. it is characterized by bone deformities, multiple fractures, underdeveloped lungs, and often death during or after birth due to respiratory abnormalities.

  • Osteogenesis Imperfecta Type III

    a type of osteogenesis imperfecta characterized by bone fractures, bone deformities, short stature, poor muscle development, barrel-shaped chest, and triangular face.

  • Osteogenesis Imperfecta Type IV

    a type of osteogenesis imperfecta that is characterized by fractures and hearing loss. it is more severe than type i and less severe than types ii and iii.

Patient EducationClinical

Eye Diseases

Even if your eyes feel healthy, you could have a problem and not know it. That's why regular eye exams are so important. Refractive errors are the most common type of vision problem that makes it hard to see clearly. But some eye conditions or diseases don't have any symptoms and can lead to a permanent loss of vision.

The full article covers:

  • What diseases can affect the eye?
  • What are the symptoms of eye diseases?
  • Who is more likely to develop eye diseases?
  • What are the treatments for eye diseases?
  • Can eye diseases be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert Q13.5 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
743.47 Anomalies of sclera
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Q13.5Overview

Is Q13.5 (Congenital malformations of anterior segment of eye) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report blue sclera on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does Q13.5 group to?

When blue sclera is the principal diagnosis on an inpatient stay, it groups to MS-DRG 124, 125, with relative weights from 0.7678 to 1.3231 depending on complications. Higher weights mean higher Medicare reimbursement.

Is Q13.5 exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for blue sclera on inpatient claims.

What is the ICD-9 equivalent of Q13.5?

Under the General Equivalence Mappings, blue sclera converts to ICD-9-CM 743.47 (anomalies of sclera). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.