ICD-10-CM Alphabetic Index · FY 2026 16 Entries
Hydrarthrosis in the ICD-10-CM Index ICD-10-CM
The main term Hydrarthrosis carries 16 index entries pointing to 14 ICD-10-CM codes. Every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
16
Index Entries
14
Codes Referenced
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Default Code
H
Letter
16 of 16 shown
ICD-10-CM
Index Entries Under Hydrarthrosis 16 entries · 14 codes
Hydrarthrosis
gonococcal A54.42
intermittent M12.40
ankle M12.47- Non-billable
elbow M12.42- Non-billable
foot joint M12.47- Non-billable
hand joint M12.44- Non-billable
hip M12.45- Non-billable
knee M12.46- Non-billable
multiple site M12.49
shoulder M12.41- Non-billable
specified joint NEC M12.48
wrist M12.43- Non-billable
of yaws (early) (late) A66.6 see also subcategory M14.8-
syphilitic (late) A52.77
congenital A50.55
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
