ICD-10-CM 2027
ICD-10 code for effusion
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Effusion”. Page updated September 29, 2026.
About coding effusion
The official ICD-10-CM index doesn't give a single default code for effusion; the code depends on the details below.
More specific effusion codes (official index)
- amniotic fluid
- brain (serous) G93.6 — Cerebral edema
- bronchial
- cerebral G93.6 — Cerebral edema
- cerebrospinal
- vessel G93.6 — Cerebral edema
- chest
- chylous, chyliform (pleura) J94.0 — Chylous effusion
- intracranial G93.6 — Cerebral edema
- joint M25.40 — Effusion, unspecified joint
- ankle M25.47 — Effusion, ankle and foot
- elbow M25.42 — Effusion, elbow
- foot joint M25.47 — Effusion, ankle and foot
- hand joint M25.44 — Effusion, hand
- hip M25.45 — Effusion, hip
- knee M25.46 — Effusion, knee
- shoulder M25.41 — Effusion, shoulder
- specified joint NEC M25.48 — Effusion, other site
- wrist M25.43 — Effusion, wrist
- malignant pleural J91.0 — Malignant pleural effusion
- meninges
- pericardium, pericardial (noninflammatory) I31.39 — Other pericardial effusion (noninflammatory)
- acute
- malignant, in disease classified elsewhere I31.31 — Malignant pericardial effusion in diseases classified elsewhere
- specified type, NEC I31.39 — Other pericardial effusion (noninflammatory)
- peritoneal (chronic) R18.8 — Other ascites
- pleura, pleurisy, pleuritic, pleuropericardial J90 — Pleural effusion, not elsewhere classified
- chylous, chyliform J94.0 — Chylous effusion
- due to systemic lupus erythematosis M32.13 — Lung involvement in systemic lupus erythematosus
- in conditions classified elsewhere J91.8 — Pleural effusion in other conditions classified elsewhere
- influenzal
- malignant J91.0 — Malignant pleural effusion
- newborn P28.89 — Other specified respiratory conditions of newborn
- tuberculous NEC A15.6 — Tuberculous pleurisy
- primary (progressive) A15.7 — Primary respiratory tuberculosis
- spinal
- thorax, thoracic
Common questions about effusion ICD-10 codes
What is the ICD-10 code for brain effusion?
- G93.6 — Cerebral edema.
What is the ICD-10 code for cerebral effusion?
- G93.6 — Cerebral edema.
What is the ICD-10 code for intracranial effusion?
- G93.6 — Cerebral edema.
What is the ICD-10 code for joint effusion?
- M25.40 — Effusion, unspecified joint.
What is the ICD-10 code for malignant pleural effusion?
- J91.0 — Malignant pleural effusion.
What is the ICD-10 code for peritoneal effusion?
- R18.8 — Other ascites.