R16.0 is the authoritative medical code for Hepatomegaly, not elsewhere classified. This classification is used in medical billing and clinical recording to specify the clinical criteria for hepatomegaly, not elsewhere classified (ICD-10-CM R16.0), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Hepatomegaly, not elsewhere classified is a billable ICD-10-CM diagnosis code R16.0. Inclusion terms: Hepatomegaly NOS. Excludes2 (not included here): congenital or infantile pylorospasm Q40.0; gastrointestinal hemorrhage K92.0-K92.2; intestinal obstruction K56.-; newborn gastrointestinal hemorrhage P54.0-P54.3; newborn intestinal obstruction P76.-; pylorospasm K31.3; signs and symptoms involving the urinary system R30-R39; symptoms referable to female genital organs N94.-; symptoms referable to male genital organs N48-N50.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for R16.0 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- congenital or infantile pylorospasm Q40.0
- gastrointestinal hemorrhage K92.0-K92.2
- intestinal obstruction K56.-
- newborn gastrointestinal hemorrhage P54.0-P54.3
- newborn intestinal obstruction P76.-
- pylorospasm K31.3
- signs and symptoms involving the urinary system R30-R39
- symptoms referable to female genital organs N94.-
- symptoms referable to male genital organs N48-N50
Frequently Asked Questions (FAQ) & Clinical Guidance
Can R16.0 be reported alongside related conditions?
Per Excludes2 instructions, R16.0 and the following may both be reported when both are present: congenital or infantile pylorospasm (Q40.0); gastrointestinal hemorrhage (K92.0-K92.2); intestinal obstruction (K56.-); newborn gastrointestinal hemorrhage (P54.0-P54.3).
What conditions are included under R16.0?
Hepatomegaly, not elsewhere classified includes: Hepatomegaly NOS.
Codes in This Family (3)
Official ICD-10-CM classifications in the same code family as R16.0, with their registry titles.
- R16 — Hepatomegaly and splenomegaly, not elsewhere classified
- R16.1 — Splenomegaly, not elsewhere classified
- R16.2 — Hepatomegaly with splenomegaly, not elsewhere classified
Indexed Clinical Terms (2)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Hypertrophy, hypertrophic, liver
- Mass, liver
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: