G9520 Patient does not achieve final refraction (spherical equivalent) +/- 1.0 diopters of their planned refraction within 90 days of surgery
Short descriptor: Refract not +/- 1.0 w/in 90d
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G9520 is the HCPCS Level II code for Patient does not achieve final refraction (spherical equivalent) +/- 1.0 diopters of their planned refraction within 90 days of surgery (2026). It belongs to Section G — Procedures / Professional Services (Temporary). Under Medicare, its coverage status is: Carrier judgment. Part B pricing methodology: Not separately priced by Part B.
Classification & CMS Attributes
- Medicare Coverage
- Carrier judgment (code C)
- Part B Pricing
- Not separately priced by Part B (indicator 00)
- Type of Service
- Medical care
- Effective Date
- 2020-01-01
- 2026 Maintenance
- No change this year
References
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Reference G9520 with the canonical source and edition:
G9520 — Patient does not achieve final refraction (spherical equivalent) +/- 1.0 diopters of their planned refraction within 90 days of surgery. ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/G9520
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