2026 ICD-10-CM Diagnosis Code Q15.8Other specified congenital malformations of eye

ICD-10-CM Codes›Q00-Q99›Q10-Q18›Q15

ICD-10-CM Q15.8
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Q15.8 is a billable ICD-10-CM diagnosis code for other specified congenital malformations of eye. 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
Q15.8
Billable Status
Yes — Valid for Submission
Code Describes
Other specified congenital malformations of eye
Short Description
Other specified congenital malformations of eye
Same as the full description in the CMS dataset.
Parent Code
Q15
Other congenital malformations of eye

Code Classification

ChapterQ00-Q99Congenital malformations, deformations and chromosomal abnormalities
SectionQ10-Q18Congenital malformations of eye, ear, face and neck
CategoryQ15Other congenital malformations of eye
This CodeQ15.8Other specified congenital malformations of eye

Present on Admission (POA)Billing

Q15.8 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 ocular motility
  • Accessory breast
  • Accessory nipple
  • Accessory tragus
  • Anophthalmia and megalocornea with cardiopathy and skeletal anomalies syndrome
  • Atrophia bulborum hereditaria
  • Atypical Norrie disease due to monosomy Xp11.3
  • Bilateral congenital ocular melanocytosis of eyes
  • Choristoma of eye proper
  • Choristoma of left eye proper
  • Choristoma of right eye proper
  • Congenital epibulbar choristoma of bilateral eyes
  • Congenital exophthalmos
  • Congenital failure of eye elevation
  • Congenital fibrosis of inferior rectus muscle
  • Congenital fibrosis syndrome
  • Congenital malposition of eye
  • Congenital ocular melanocytosis of left eye
  • Congenital ocular melanocytosis of right eye
  • Congenital structural abnormality of bilateral corneas
  • Congenital structural abnormality of left cornea
  • Congenital structural abnormality of right cornea
  • Congenital vascular anomaly of eye
  • Developmental malformation of branchial arch
  • Epibulbar lipodermoid, preauricular appendage, polythelia syndrome
  • Extraocular muscle restriction
  • Glaucoma due to congenital chamber angle anomaly
  • Hamartoma of retina
  • Hamartoma of retina of right eye
  • Horizontal orbital dystopia
  • Hypoplasia of eye muscle
  • Isolated congenital megalocornea
  • Megalocornea
  • Megalocornea of bilateral eyes
  • Megalocornea with intellectual disability syndrome
  • Melanin pigmentation of eye
  • Ocular melanosis
  • Orbital dystopia
  • Polyotia
  • Port-wine stain with associated anomalies
  • Port-wine stain with oculocutaneous melanosis
  • Rotational orbital dystopia
  • Spondylo-ocular syndrome
  • Triopia
  • Vertical orbital dystopia

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.

    • Aberrant(congenital)
      • artery (peripheral)
        • eye
    • Adhesions, adhesive(postinfective)
      • conjunctiva (acquired)
        • congenital
    • Agenesis
      • eye
        • adnexa
    • Agenesis
      • muscle
        • ocular
    • Anomaly, anomalous(congenital) (unspecified type)
      • artery (peripheral)
        • eye
    • Anomaly, anomalous(congenital) (unspecified type)
      • eye
        • specified NEC
    • Anomaly, anomalous(congenital) (unspecified type)
      • ocular muscle
    • Atresia, atretic
      • artery NEC
        • eye
    • Cyst(colloid) (mucous) (simple) (retention)
      • eye NEC
        • congenital
    • Deformity
      • globe (eye) (congenital)
    • Displacement, displaced
      • eyeball (acquired) (lateral) (old)
        • congenital
    • Distortion(s) (congenital)
      • eye (adnexa)
    • Exophthalmos
      • congenital
    • Keratoglobus
      • congenital
    • Macrocornea
    • Malformation(congenital)
      • eye
        • specified NEC
    • Malposition
      • congenital
        • eye
    • Megalocornea
    • Melanosis
      • eye NEC
        • congenital
    • Norrie's disease(congenital)
    • Ophthalmocele(congenital)

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

Patient EducationClinical

Birth Defects

A birth defect is a problem that happens while a baby is developing in the mother's body. Most birth defects happen during the first 3 months of pregnancy. One out of every 33 babies in the United States is born with a birth defect.

The full article covers:

  • What are birth defects?
  • What causes birth defects?
  • Who is at risk of having a baby with birth defects?
  • How are birth defects diagnosed?
  • What are the treatments for birth defects?
  • Can birth defects be prevented?

Read the full article at MedlinePlus

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

Convert Q15.8 to ICD-9-CMHistory

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

ICD-9-CM
743.8 Eye anomalies NEC
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 Q15.8Overview

Is Q15.8 (Other congenital malformations of eye) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other specified congenital malformations of eye on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does Q15.8 group to?

When other specified congenital malformations of eye 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 Q15.8 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 other specified congenital malformations of eye on inpatient claims.

What is the ICD-9 equivalent of Q15.8?

Under the General Equivalence Mappings, other specified congenital malformations of eye converts to ICD-9-CM 743.8 (eye anomalies NEC). 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.