ICD-10 Code for System
The ICD-10-CM 2027 alphabetic index lists system, systemic with the subterms below. More specific codes depend on the details documented, as listed in the official index (4 codes, 4 billable).
Index entries for System
- disease, combined – see Degeneration, combined
- inflammatory response syndrome (SIRS) of non-infectious origin (without organ dysfunction) –
R65.10- with acute organ dysfunction –
R65.11
- with acute organ dysfunction –
- lupus erythematosus –
M32.9- inhibitor present –
D68.62
- inhibitor present –
How to choose the right code
Start with the main term, then pick the indented subterm that matches the documentation (type, cause, site, laterality, episode of care). Always confirm the code in the tabular list: follow its Excludes1/Excludes2, “code first” and “use additional code” notes, and add a 7th character where required.
Source: CDC/NCHS ICD-10-CM FY2027 alphabetic index.