R16.1Billable
Splenomegaly, not elsewhere classified
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Category
- R16
- Effective date
- October 1, 2026
Related codes in category R16
Frequently asked questions
What is ICD-10 code R16.1?
R16.1 is an ICD-10-CM diagnosis code for Splenomegaly, not elsewhere classified.
Is R16.1 a billable code?
Yes. R16.1 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is R16.1 in?
R16.1 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
When did R16.1 become effective?
R16.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to R16.1?
R16.1 belongs to category R16, which includes 3 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.