D37.4 – Neoplasm of uncertain behavior of colon

ICD-10-CM 2027 diagnosis code · Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes

Billable code

ICD-10-CM code D37.4

Code: D37.4 (claims format: D374)
Description: Neoplasm of uncertain behavior of colon
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: D37-D48 Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes
Parent codes: D37

Notes inherited from parent codes

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

D37 – Neoplasm of uncertain behavior of oral cavity and digestive organs

Excludes1 (not coded here):

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

Block D37-D48

Excludes1 (not coded here):

neoplasms of unspecified behavior (D49.-)

Notes:

Categories D37-D44, and D48 classify by site neoplasms of uncertain behavior, i.e., histologic confirmation whether the neoplasm is malignant or benign cannot be made.

Related codes in D37

Frequently asked questions

What is ICD-10 code D37.4?

D37.4 is the ICD-10-CM code for neoplasm of uncertain behavior of colon, in the block D37-D48 (Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes).

Is D37.4 a billable code?

Yes. D37.4 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does D37.4 belong to?

It belongs to category D37 – Neoplasm of uncertain behavior of oral cavity and digestive organs.

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.