ICD-10-CM Alphabetic Index · FY 2026 38 Entries
Effusion in the ICD-10-CM Index ICD-10-CM
The main term Effusion carries 38 index entries pointing to 21 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
38
Index Entries
21
Codes Referenced
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Default Code
E
Letter
38 of 38 shown
ICD-10-CM
Index Entries Under Effusion 38 entries · 21 codes
Effusion
amniotic fluid see Pregnancy, complicated by, premature rupture of membranes
brain (serous) G93.6
bronchial see Bronchitis
cerebral G93.6
cerebrospinal see also Meningitis
vessel G93.6
chest see Effusion, pleura
chylous, chyliform (pleura) J94.0
intracranial G93.6
joint M25.40
ankle M25.47 Non-billable
elbow M25.42 Non-billable
foot joint M25.47 Non-billable
hand joint M25.44 Non-billable
hip M25.45 Non-billable
knee M25.46 Non-billable
shoulder M25.41 Non-billable
specified joint NEC M25.48
wrist M25.43 Non-billable
malignant pleural J91.0
meninges see Meningitis
pericardium, pericardial (noninflammatory) I31.39
acute see Pericarditis, acute
malignant, in disease classified elsewhere I31.31
specified type, NEC I31.39
peritoneal (chronic) R18.8
pleura, pleurisy, pleuritic, pleuropericardial J90
chylous, chyliform J94.0
due to systemic lupus erythematosis M32.13
in conditions classified elsewhere J91.8
influenzal see Influenza, with, respiratory manifestations NEC
malignant J91.0
newborn P28.89
tuberculous NEC A15.6
primary (progressive) A15.7
spinal see Meningitis
thorax, thoracic see Effusion, pleura
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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.
