R16.1 Splenomegaly, not elsewhere classified

Billable ICD-10-CM code, FY2026.

Applicable to

• Splenomegaly NOS

MS-DRG index

Defines the logic of DRG(s) 814-816 in MDC 16.

Approximate ICD-9-CM (GEMs)

• 789.2 Splenomegaly (approximate)

Code annotations containing back-references to R16.1

Back-references to R16.1

• Type 1 Excludes: D73.1 Hypersplenism ("splenomegaly NOS (R16.1)")

Diagnosis Index entries for R16.1

• Débove's disease (splenomegaly)
• Disease, diseased › Débove's (splenomegaly)
• Mass › splenic
• Splenomegaly, splenomegalia (Bengal) (cryptogenic) (idiopathic) (tropical)

Nearby codes

• R16 Hepatomegaly and splenomegaly, not elsewhere classified
• R16.0 Hepatomegaly, not elsewhere classified
• R16.1 Splenomegaly, not elsewhere classified (this code)
• R16.2 Hepatomegaly with splenomegaly, not elsewhere classified