H40.219
BillableAcute angle-closure glaucoma, unspecified eye
Last updated: FY2026 ICD-10-CM (Oct 1, 2025 – Sep 30, 2026) | CMS-HCC V28 (100% phase-in, PY2026)
Is H40.219 an HCC code?
No. H40.219 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
H40.219 is the ICD-10-CM diagnosis code for acute angle-closure glaucoma, unspecified eye. A sudden, severe increase in eye pressure caused by the drainage angle in the eye becoming blocked, preventing fluid from draining properly. This is a medical emergency that can cause rapid vision loss if not treated immediately. H40.219 sits in the ICD-10-CM chapter for diseases of the eye and adnexa (h00-h59), within the section covering glaucoma (h40-h42).
H40.219 is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.
This code is used when the specific eye (right, left, or bilateral) is not documented; if the eye is specified, use H40.211 (right eye) or H40.212 (left eye) instead.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for H40.219 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •This code is used when the specific eye (right, left, or bilateral) is not documented; if the eye is specified, use H40.211 (right eye) or H40.212 (left eye) instead
- •Acute angle-closure glaucoma is a time-sensitive condition often requiring emergency treatment; ensure documentation clearly indicates acute presentation and verify the eye laterality before defaulting to 'unspecified'