Pediatric Coding Alert

READER QUESTIONS:

Stereopsis Testing: It's a Vision Screen Portion

Question: Medicaid is now requiring a stereopsis exam (for depth perception) with the kindergarten exam. I cannot find a CPT code to use for just it. Is it bundled in with the regular Snelling eye exam?

North Carolina Subscriber

Answer: You should include stereopsis screening in the vision screen code (99173, Screening test of visual acuity, quantitative, bilateral). The Preschool Vision Screening Task Force (1998) recommends vision screening starting at age 3 including distance visual acuity and ocular alignment, which includes stereopsis testing.

The screener can use the Random Dot E test to help determine the presence of binocular vision. For the test, the child wears polarized glasses to determine whether he can visualize a stereogram in one of two cards presented. For instance, the screener sees if the patient can pick out the wings on a bug to test depth perception.

-- Information for and answers to You Be the Coder and Reader Questions reviewed by Charles Scott, MD, FAAP, a pediatrician at Medford Pediatric and Adolescent Medicine in New Jersey; and Richard Tuck, MD, FAAP, pediatrician at PrimeCare of Southeastern Ohio in Zanesville.

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