ICD-9-CM 179
CMS Source: final ICD-9-CM release (version date October 1, 2014). Retired from U.S. claims after September 30, 2015.FacebookXLinkedInPrint

179 is a legacy ICD-9-CM diagnosis code for malignant neoplasm of uterus, part unspecified. It was valid on U.S. claims through September 30, 2015 and cannot be reported for services on or after October 1, 2015, when ICD-10-CM replaced the ICD-9 code set. Under the CMS General Equivalence Mappings, its ICD-10-CM replacement is C55 (Malignant neoplasm of uterus, part unspecified), flagged as a direct match.

Code Identity

ICD-9-CM Code
179
Valid for Submission
No — Legacy Code
Code Describes
Malignant neoplasm of uterus, part unspecified
Short Description
Malig neopl uterus NOS
Parent Block
179 Malignant neoplasm of uterus, part unspecified
ICD-10-CM Replacement

Convert 179 to ICD-10-CM

Based on the final CMS General Equivalence Mappings (GEMs), 179 crosswalks to the following ICD-10-CM code.

ICD-10-CM
C55 Malignant neoplasm of uterus, part unspecified
Exact Match The mapping is direct, with no qualifiers.

Index of Diseases References

Entries in the final ICD-9-CM Index to Diseases and Injuries that point to 179. Tap the icons for the official index conventions.

Information for Patients

Uterine Cancer

The uterus, or womb, is the place where a baby grows when a women is pregnant. There are different types of uterine cancer. The most common type starts in the endometrium, the lining of the uterus. This type is also called endometrial cancer.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Questions About 179

Is 179 (malignant neoplasm of uterus, part unspecified) still a valid code?

No. This code belonged to ICD-9-CM, which the United States retired after September 30, 2015. Claims with dates of service on or after October 1, 2015 must use ICD-10-CM codes, such as its replacement C55.

What is the ICD-10 replacement for 179?

The General Equivalence Mappings crosswalk this code directly to ICD-10-CM C55 (Malignant neoplasm of uterus, part unspecified), a one-to-one match.

What did 179 mean?

In the final ICD-9-CM release, this code described malignant neoplasm of uterus, part unspecified. It sat in block 179 Malignant neoplasm of uterus, part unspecified under Neoplasms (140–239).