D49.0 – Neoplasm of unspecified behavior of digestive system

ICD-10-CM 2027 diagnosis code · Neoplasms of unspecified behavior (D49)

Billable code

ICD-10-CM code D49.0
Code
D49.0 (claims format: D490)
Description
Neoplasm of unspecified behavior of digestive system
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
2. Neoplasms (C00-D49)
Block
D49 Neoplasms of unspecified behavior (D49)
Parent codes
D49

Notes for D49.0

Excludes1 (not coded here):
  • neoplasm of unspecified behavior of margin of anus (D49.2)
  • neoplasm of unspecified behavior of perianal skin (D49.2)
  • neoplasm of unspecified behavior of skin of anus (D49.2)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

D49 – Neoplasms of unspecified behavior

Includes:
  • 'growth' NOS
  • neoplasm NOS
  • new growth NOS
  • tumor NOS
Excludes2 (not included here):
  • neoplasms of uncertain behavior (D37-D44, D48)
Notes:
  • Category D49 classifies by site neoplasms of unspecified morphology and behavior. The term 'mass', unless otherwise stated, is not to be regarded as a neoplastic growth.

Related codes in D49

Frequently asked questions

What is ICD-10 code D49.0?

D49.0 is the ICD-10-CM code for neoplasm of unspecified behavior of digestive system, in the block D49 (Neoplasms of unspecified behavior (D49)).

Is D49.0 a billable code?

Yes. D49.0 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does D49.0 belong to?

It belongs to category D49 – Neoplasms of unspecified behavior.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.