D37.8 Neoplasm of uncertain behavior of other specified digestive organs

Billable ICD-10-CM code, FY2026.

Applicable to

• Neoplasm of uncertain behavior of anal canal
• Neoplasm of uncertain behavior of anal sphincter
• Neoplasm of uncertain behavior of anus NOS
• Neoplasm of uncertain behavior of esophagus
• Neoplasm of uncertain behavior of intestine NOS
• Neoplasm of uncertain behavior of pancreas

Excludes1 (never code together)

• neoplasm of uncertain behavior of anal margin (D48.5)
• neoplasm of uncertain behavior of anal skin (D48.5)
• neoplasm of uncertain behavior of perianal skin (D48.5)

Applies from D37 Neoplasm of uncertain behavior of oral cavity and digestive organs

Excludes1 (never code together)

• stromal tumors of uncertain behavior of digestive system (D48.1-)

MS-DRG index

Defines the logic of DRG(s) 374-376 in MDC 06.

Approximate ICD-9-CM (GEMs)

• 235.5 Neoplasm of uncertain behavior of other and unspecified digestive organs (approximate)

Code annotations containing back-references to D37.8

Back-references to D37.8

• Type 1 Excludes: D44 Neoplasm of uncertain behavior of endocrine glands ("neoplasm of uncertain behavior of endocrine pancreas (D37.8)")
• Type 1 Excludes: D48.5 Neoplasm of uncertain behavior of skin ("neoplasm of uncertain behavior of anus NOS (D37.8)")

Back-references to D37

• Type 1 Excludes: D49 Neoplasms of unspecified behavior ("neoplasms of uncertain behavior (D37-D44, D48)")

Diagnosis Index entries for D37.8

• Glucagonoma › pancreas › uncertain behavior
• Glucagonoma › unspecified site › uncertain behavior
• Insulinoma › pancreas › uncertain behavior
• Insulinoma › unspecified site › uncertain behavior
• Tumor › G cell › unspecified site

Nearby codes

• D37.2 Neoplasm of uncertain behavior of small intestine
• D37.3 Neoplasm of uncertain behavior of appendix
• D37.4 Neoplasm of uncertain behavior of colon
• D37.5 Neoplasm of uncertain behavior of rectum
• D37.6 Neoplasm of uncertain behavior of liver, gallbladder and bile ducts
• D37.8 Neoplasm of uncertain behavior of other specified digestive organs (this code)
• D37.9 Neoplasm of uncertain behavior of digestive organ, unspecified