2026 ICD-10-CM Diagnosis Code C53.9Malignant neoplasm of cervix uteri, unspecified
ICD-10-CM Codes›C00–D49›C51-C58›C53
- Billable — Valid for Submission
- Chronic Condition
C53.9 is a billable ICD-10-CM diagnosis code for malignant neoplasm of cervix uteri, unspecified. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 736 through 741, 754 through 756. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Female reproductive system cancers - cervix.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Adenocarcinoma of cervix
- Adenoid basal carcinoma of cervix uteri
- Adenoid cystic carcinoma of cervix uteri
- Adenoma malignum
- Adenosarcoma of cervix uteri
- Adenosarcoma of uterus
- Adenosquamous carcinoma of cervix
- Carcinoma of cervix
- Carcinoma of uterine cervix, invasive
- Carcinosarcoma of cervix uteri
- Carcinosarcoma of uterus
- Glassy cell carcinoma of cervix uteri
- Invasive carcinoma of uterine cervix co-occurrent with human immunodeficiency virus infection
- Leiomyosarcoma of cervix uteri
- Leiomyosarcoma of uterus
- Local recurrence of malignant neoplasm of cervix uteri
- Malignant germ cell neoplasm of cervix uteri
- Malignant neoplasm involving left fallopian tube by direct extension from uterine cervix
- Malignant neoplasm involving right fallopian tube by direct extension from uterine cervix
- Malignant neoplasm involving urinary bladder by direct extension from uterine cervix
- Malignant neoplasm of cervix uteri
- Malignant neoplastic disease co-occurrent with human immunodeficiency virus infection
- Malignant tumor involving an organ by direct extension from uterine cervix
- Malignant tumor involving left ovary by direct extension from uterine cervix
- Malignant tumor involving rectum by direct extension from uterine cervix
- Malignant tumor involving right ovary by direct extension from uterine cervix
- Malignant tumor involving uterine corpus by direct extension from uterine cervix
- Malignant tumor involving vagina by direct extension from uterine cervix
- Malignant tumor involving vulva by direct extension from uterine cervix
- Peripheral neuroectodermal neoplasm of cervix uteri
- Peripheral neuroectodermal tumor
- Primary adenocarcinoma of cervix uteri
- Primary adenoid basal carcinoma of cervix uteri
- Primary adenoid cystic carcinoma of cervix uteri
- Primary adenosarcoma of cervix uteri
- Primary adenosarcoma of uterus
- Primary adenosquamous carcinoma of cervix
- Primary adenosquamous cell carcinoma
- Primary carcinoma of cervix
- Primary carcinoma of uterine cervix, invasive
- Primary carcinosarcoma of cervix uteri
- Primary carcinosarcoma of uterus
- Primary glassy cell carcinoma of cervix uteri
- Primary malignant neoplasm of uterine cervix
- Primary papillary carcinoma of cervix uteri
- Primary poorly differentiated endocrine carcinoma of cervix uteri
- Primary primitive neuroectodermal tumor
- Primary primitive neuroectodermal tumor of cervix uteri
- Primitive neuroectodermal tumor of cervix uteri
- Rhabdomyosarcoma of cervix uteri
- Squamous cell carcinoma of cervix
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Carcinoma (malignant) - See Also: Neoplasm, by site, malignant;
- solid
- unspecified site - C53.9
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Carcinoma(malignant)
- solid
- microinvasive
- unspecified site
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Table of NeoplasmsClinical
Patient EducationClinical
Cervical Cancer
Cervical cancer is cancer that starts in the cells of the cervix. The cervix is part of the female reproductive system. It is the lower, narrow end of the uterus (womb), which opens into the vagina (birth canal).
The full article covers:
- What is cervical cancer?
- What causes cervical cancer?
- Who is more likely to develop cervical cancer?
- What are the symptoms of cervical cancer?
- How is cervical cancer diagnosed?
- What are the treatments for cervical cancer?
- Can cervical cancer be prevented?
- What is Cervical Cancer?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert C53.9 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About C53.9Overview
Is C53.9 (Malignant neoplasm of cervix uteri) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report malignant neoplasm of cervix uteri, unspecified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does C53.9 group to?
When malignant neoplasm of cervix uteri, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 736, 737, 738, 739, 740, 741, 754, 755, 756, with relative weights from 0.9605 to 3.5745 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of C53.9?
Under the General Equivalence Mappings, malignant neoplasm of cervix uteri, unspecified converts to ICD-9-CM 180.9 (mal neo cervix uteri NOS). The mapping is a direct match.
Footnotes
[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:
- The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
- The condition places limitations on self-care, independent living, and social interactions.
