D44.3

Billable

ChapterC00–D49

Ranksubcategory

Official Description

Neoplasm of uncertain behavior of pituitary gland

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Use Additional Code

code to identify any functional activity.

General instructions are available for the parent sections:

View D37-D48 Notes View D44 Notes

Clinical Hierarchy

CH2Neoplasms (C00-D49)

D37-D48Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48)

D44Neoplasm of uncertain behavior of endocrine glands

D44.3Neoplasm of uncertain behavior of pituitary gland

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to D44.3:

categoryD44

Neoplasm of uncertain behavior of endocrine glands

View context instructions

blockD37-D48

Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to D44.3. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

9 raw paths

Neoplasm, neoplastic7 unique routes

craniobuccal pouch→D44.3

pituitary (body) (fossa) (gland) (lobe)→D44.3

Rathke's pouch→D44.3

sella turcica→D44.3

Rathke's pouch tumor1 unique routes

Direct index entry→D44.3

Tumor1 unique routes

Rathke's pouch→D44.3

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 643

Endocrine Disorders with MCC

DRG 644

Endocrine Disorders with CC

DRG 645

Endocrine Disorders without CC/MCC

Cross Reference

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