ICD-10-CM Alphabetic Index · FY 2027 7 Entries
Communication in the ICD-10-CM Index ICD-10-CM
The main term Communication carries 7 index entries pointing to 5 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 2027 index fileEffective Oct 1, 2026 – Sep 30, 2027
7
Index Entries
5
Codes Referenced
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Default Code
C
Letter
7 of 7 shown
ICD-10-CM
Index Entries Under Communication 7 entries · 5 codes
Communication
between
base of aorta and pulmonary artery Q21.4
left ventricle and right atrium Q20.5
pericardial sac and pleural sac Q34.8
pulmonary artery and pulmonary vein, congenital Q25.72
congenital between uterus and digestive or urinary tract Q51.7
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2027 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2026 through September 30, 2027.
