C54.0 is the authoritative medical code for Malignant neoplasm of isthmus uteri. This classification is used in medical billing and clinical recording to specify the clinical criteria for malignant neoplasm of isthmus uteri (ICD-10-CM C54.0), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Malignant neoplasm of isthmus uteri is a billable ICD-10-CM diagnosis code C54.0. Includes: malignant neoplasm of skin of female genital organs. Inclusion terms: Malignant neoplasm of lower uterine segment.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for C54.0 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- malignant neoplasm of skin of female genital organs
Inclusion Terms
Alternative terms the tabular list files under this code.
- Malignant neoplasm of lower uterine segment
Frequently Asked Questions (FAQ) & Clinical Guidance
What conditions are included under C54.0?
Malignant neoplasm of isthmus uteri includes: Malignant neoplasm of lower uterine segment.
Codes in This Family (6)
Official ICD-10-CM classifications in the same code family as C54.0, with their registry titles.
- C54 — Malignant neoplasm of corpus uteri
- C54.1 — Malignant neoplasm of endometrium
- C54.2 — Malignant neoplasm of myometrium
- C54.3 — Malignant neoplasm of fundus uteri
- C54.8 — Malignant neoplasm of overlapping sites of corpus uteri
- C54.9 — Malignant neoplasm of corpus uteri, unspecified
Indexed Clinical Terms (2)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Sarcoma (of), endometrial (stromal), isthmus
- Sarcoma (of), stromal (endometrial), isthmus
Neoplasm Table Sites (4)
Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.
- Neoplasm, neoplastic, corpus, uteri, isthmus — Malignant, Primary
- Neoplasm, neoplastic, isthmus uteri — Malignant, Primary
- Neoplasm, neoplastic, uterus, uteri, uterine, isthmus — Malignant, Primary
- Neoplasm, neoplastic, uterus, uteri, uterine, lower segment — Malignant, Primary
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code C49.0
Malignant neoplasm of connective and soft tissue of head, face and neck