All ICD10 Codes

D09.9

Billable
ChapterC00–D49
Ranksubcategory
Official Description

Carcinoma in situ, unspecified

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 2: Neoplasms (C00-D49).
General instructions are available for the parent sections:
View D00-D09 NotesView D09 Notes

Clinical Hierarchy

CH2Neoplasms (C00-D49)
D00-D09In situ neoplasms (D00-D09)
D09Carcinoma in situ of other and unspecified sites
D09.9Carcinoma in situ, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to D09.9:

categoryD09
Carcinoma in situ of other and unspecified sites
View context instructions
blockD00-D09
In situ neoplasms (D00-D09)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to D09.9. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

2 raw paths
Neoplasm, neoplastic2 unique routes
Direct index entry→D09.9
unknown site or unspecified→D09.9

MS-DRG Classification

2026 v43.1

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

DRG 154
Other Ear, Nose, Mouth and Throat Diagnoses with MCC
DRG 155
Other Ear, Nose, Mouth and Throat Diagnoses with CC
DRG 156
Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC
DRG 157
Dental and Oral Diseases with MCC
DRG 158
Dental and Oral Diseases with CC
DRG 159
Dental and Oral Diseases without CC/MCC
DRG 826
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures with MCC
DRG 827
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures with CC
DRG 828
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Major O.R. Procedures without CC/MCC
DRG 829
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Other Procedures with CC/MCC
DRG 830
Myeloproliferative Disorders or Poorly Differentiated Neoplasms with Other Procedures without CC/MCC
DRG 843
Other Myeloproliferative Disorders or Poorly Differentiated Neoplastic Diagnoses with MCC
DRG 844
Other Myeloproliferative Disorders or Poorly Differentiated Neoplastic Diagnoses with CC
DRG 845
Other Myeloproliferative Disorders or Poorly Differentiated Neoplastic Diagnoses without CC/MCC

Cross Reference

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