H15.829 ICD-10-CM Code: Localized anterior staphyloma, unspecified eye
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FY 2026 Apr update / Diseases of the eye and adnexa (H00-H59) / Disorders of sclera, cornea, iris and ciliary body (H15-H22)
H15.829
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceLocalized anterior staphyloma, unspecified eye
A staphyloma is an abnormal bulging or thinning of the eye wall, typically caused by weakening of the eye structure. This code describes a localized bulging in the front part of the eye when the specific eye (left or right) is not documented.
CMS-HCC V28
N/A—
Not mapped
CMS-HCC V24
N/A—
Not mapped
ACA/HHS
N/A—
Not mapped
ESRD/PACE
N/A—
Not mapped
RXHCC
N/A—
Not mapped
Code Book Path
Inclusion Terms
OfficialICD-10-CM does not list inclusion terms for H15.829 in this effective period.
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for H15.829 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for H15.829 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for H15.829 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for H15.829 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for H15.829 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for H15.829 in this effective period.
Buddy Documentation Tip
Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.
Is H15.829 an HCC code?
No. H15.829 is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.
Coder workflow notes
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This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
H15.829 is the ICD-10-CM diagnosis code for localized anterior staphyloma, unspecified eye. A staphyloma is an abnormal bulging or thinning of the eye wall, typically caused by weakening of the eye structure. This code describes a localized bulging in the front part of the eye when the specific eye (left or right) is not documented. H15.829 sits in the ICD-10-CM chapter for diseases of the eye and adnexa (h00-h59), within the section covering disorders of sclera, cornea, iris and ciliary body (h15-h22).
H15.829 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.
If documentation specifies which eye is affected, use H15.821 (right eye) or H15.822 (left eye) instead of the unspecified code H15.829.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for H15.829 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •If documentation specifies which eye is affected, use H15.821 (right eye) or H15.822 (left eye) instead of the unspecified code H15.829
- •Anterior staphyloma is often associated with high myopia, previous eye surgery, or corneal scarring—review clinical notes to ensure the underlying cause is also coded if relevant