H04.571 ICD-10-CM Code: Stenosis of right lacrimal sac
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FY 2026 Apr update / Diseases of the eye and adnexa (H00-H59) / Disorders of eyelid, lacrimal system and orbit (H00-H05)
H04.571
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceStenosis of right lacrimal sac
A narrowing or blockage of the tear sac on the right side, which is a small pouch that collects tears before they drain into the nose.
CMS-HCC V28
00
RAF 0
CMS-HCC V24
00
RAF 0
ACA/HHS
00
RAF 0
ESRD/PACE
00
RAF 0
RXHCC
00
RAF 0
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Code Book Path
Inclusion Terms
OfficialICD-10-CM does not list inclusion terms for H04.571 in this effective period.
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for H04.571 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for H04.571 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for H04.571 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for H04.571 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for H04.571 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for H04.571 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 H04.571 an HCC code?
No. H04.571 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
H04.571 is the ICD-10-CM diagnosis code for stenosis of right lacrimal sac. A narrowing or blockage of the tear sac on the right side, which is a small pouch that collects tears before they drain into the nose. H04.571 sits in the ICD-10-CM chapter for diseases of the eye and adnexa (h00-h59), within the section covering disorders of eyelid, lacrimal system and orbit (h00-h05).
H04.571 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.
The lacrimal sac is located between the lacrimal canaliculi and the nasolacrimal duct.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for H04.571 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
- •The lacrimal sac is located between the lacrimal canaliculi and the nasolacrimal duct
- •Verify right-sided location and confirm stenosis of the sac itself rather than adjacent structures