ICD-10-CM Billable Code

Q15.0

Congenital glaucoma

Clinical Classification Guidelines

Inclusion Terms

  • Axenfeld's anomaly
  • Buphthalmos
  • Glaucoma of childhood
  • Glaucoma of newborn
  • Hydrophthalmos
  • Keratoglobus, congenital, with glaucoma
  • Macrocornea with glaucoma
  • Macrophthalmos in congenital glaucoma
  • Megalocornea with glaucoma

Medical Intelligence & Overview

Congenital glaucoma is a rare eye condition present at birth that results from abnormal development of the eye's drainage system. This impairment leads to increased intraocular pressure (IOP), which can damage the optic nerve and affect vision if not treated promptly. Congenital glaucoma may be associated with other eye abnormalities such as Axenfeld's anomaly, buphthalmos, keratoglobus, and macrocornea. Early diagnosis and management are crucial to prevent long-term vision problems.

Causes & Symptoms

Clinical Causes: Genetic mutations affecting eye development Associated syndromes such as Axenfeld's anomaly and Marfan syndrome Abnormal formation of the trabecular meshwork or Schlemm's canal Family history of glaucoma or other eye conditions Congenital anomalies like keratoglobus and macrocornea Buphthalmos — enlargement of the eye due to increased pressure Developmental disturbances involving the anterior chamber angle

Key Symptoms: Enlargement of the eyeball (buphthalmos or macrocornea) Corneal swelling or cloudiness Photophobia (sensitivity to light) Excessive tearing (epiphora) Eye redness or irritation Corneal haze Poor visual development or loss of vision if untreated Elevated intraocular pressure detectable during eye examination

Diagnostic & Treatment

Diagnosis Path: Measuring intraocular pressure (tonometry) Slit-lamp examination to assess corneal clarity and anterior chamber structures Corneal diameter measurement to check for enlargement Gonioscopy to evaluate the anterior chamber angle Optic nerve assessment for signs of damage Ultrasound if media opacities prevent detailed visualization Genetic testing when associated syndromes are suspected

Treatment Protocols: Surgical procedures such as goniotomy or trabeculotomy to improve aqueous humor drainage Trabeculectomy with or without use of mitomycin C to create an alternative drainage pathway Use of medications like topical eye drops or oral carbonic anhydrase inhibitors to control IOP temporarily Regular follow-up to monitor intraocular pressure and visual development Supportive therapies, including vision rehabilitation and corrective lenses if necessary

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Advice & FAQs

Billing Guidance

Is Q15.0 a billable ICD-10 code?
Yes, Q15.0 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.

Documentation

How do I report Q15.0?
Clinical documentation must specify the nature of Congenital glaucoma and any associated comorbidities for accurate reporting.

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Related Diagnosis Codes

Clinical Meta Tags

congenital glaucoma