D39.2 Neoplasm of uncertain behavior of placenta

The ICD-10-CM code for Neoplasm of uncertain behavior of placenta is D39.2 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

2: Neoplasms (C00-D49)

Section

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

Category D39

9 codes (7 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to D39.2:

• Mola destruens
• Chorioadenoma (destruens)
• Tumor › placental site trophoblastic
• Mole (pigmented) › invasive (hydatidiform)
• Tumor › trophoblastic, placental site
• Hydatidiform mole (benign) (complicating pregnancy) (delivered) (undelivered) › invasive
• Hydatidiform mole (benign) (complicating pregnancy) (delivered) (undelivered) › malignant
• Mole (pigmented) › destructive

Inclusion Terms

• Chorioadenoma destruens
• Invasive hydatidiform mole
• Malignant hydatidiform mole

U.S. Hospital Utilization

• An estimated 165 U.S. inpatient stays in 2023 included D39.2 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Tx of primary site (TOC entry)

a. Admission/Encounter for treatment of primary site ............................................................. 33

Tx of secondary site (TOC entry)

b. Admission/Encounter for treatment of secondary site .......................................................... 33

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)