Is C58 a billable ICD-10-CM code?

Yes. C58 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does C58 sit in the tabular list?

Neoplasms (C00-D49), in the block Malignant neoplasms of female genital organs (C51-C58).

What cannot be coded together with C58?

C58 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

C58

C58 — Malignant neoplasm of placenta

Billable / specific codeICD-10-CM

C58 is a billable, specific ICD-10-CM code for malignant neoplasm of placenta. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

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

Includes

Conditions this code covers.

choriocarcinoma NOS
chorionepithelioma NOS

Risk adjustment

C58 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

HCC 22 Bladder, Colorectal, and Other Cancers0.363 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

C58 is named in 50 Medicare coverage policies — 50 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A52450Billing and Coding: Paclitaxel (e.g., Taxol®/Abraxane ™)
A52479Oral Anticancer Drugs - Policy Article
A52479Oral Anticancer Drugs - Policy Article
A52479Oral Anticancer Drugs - Policy Article

How C58 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to C58.

Choriocarcinoma›unspecified site›female
Carcinoma›chorionic›unspecified site›female

Questions about C58

Is C58 a billable ICD-10-CM code?: Yes. C58 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does C58 sit in the tabular list?: Neoplasms (C00-D49), in the block Malignant neoplasms of female genital organs (C51-C58).
What cannot be coded together with C58?: C58 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.