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C58 ICD-10-CM Code: Malignant neoplasm of placenta

C58 is the billable ICD-10-CM code for “Malignant neoplasm of placenta” in the FY 2027 U.S. code set, effective Oct 1, 2026.

Official description

C58

Malignant neoplasm of placenta

ICD-10-CM diagnosis code · United States clinical modification

Where C58 sits

  1. 1

    Chapter 2

    Neoplasms (C00-D49)

  2. 2

    Section

    Malignant neoplasms of female genital organs (C51-C58)

  3. 3

    Category C58

    Malignant neoplasm of placenta

  4. 4

    Code C58

    Malignant neoplasm of placenta

Notes for this code

Inclusion terms

No inclusion terms are listed for C58.

Code first

No “code first” instruction is listed for C58.

Use additional code

No “use additional code” instruction is listed for C58.

Excludes1

Conditions that should not be reported together with this code.

  • chorioadenoma (destruens) (D39.2)
  • hydatidiform mole NOS (O01.9)
  • invasive hydatidiform mole (D39.2)
  • male choriocarcinoma NOS (C62.9-)
  • malignant hydatidiform mole (D39.2)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for C58.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Frequently asked questions

What does ICD-10-CM code C58 mean?

C58 is the FY 2027 U.S. ICD-10-CM code for “Malignant neoplasm of placenta.”

Is C58 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, C58 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is C58 located in ICD-10-CM?

C58 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of female genital organs (C51-C58) (C51–C58), under category C58, Malignant neoplasm of placenta.

What coding notes are listed for C58?

No inclusion terms are listed for C58 in this reference record. No code-first instruction is listed. Excludes1 notes: chorioadenoma (destruens) (D39.2); hydatidiform mole NOS (O01.9); invasive hydatidiform mole (D39.2); male choriocarcinoma NOS (C62.9-); malignant hydatidiform mole (D39.2). No Excludes2 note is listed.