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C54.1
ICD-10-CM
Adenocarcinoma of Endometrium

Understanding Adenocarcinoma of Endometrium (Endometrial Cancer, Uterine Cancer) diagnosis? Find clear information on Endometrial Cancer staging, ICD-10 codes for Uterine Cancer, SNOMED CT codes for Adenocarcinoma of Endometrium, and healthcare documentation best practices for Adenocarcinoma of the Endometrium. This resource supports accurate clinical documentation and medical coding for optimal patient care.

Also known as

Endometrial Cancer
Uterine Cancer

Diagnosis Snapshot

Key Facts
  • Definition : Cancer originating in the uterine lining (endometrium).
  • Clinical Signs : Abnormal vaginal bleeding, pelvic pain, postmenopausal bleeding.
  • Common Settings : Gynecology, oncology, primary care.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC C54.1 Coding
C54.1

Malignant neoplasm of corpus uteri

Cancer specifically affecting the body of the uterus.

C54-C55

Malignant neoplasm of uterus

Cancer affecting any part of the uterus, including the cervix.

C00-D49

Neoplasms

Abnormal tissue growth, both benign and malignant.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is the adenocarcinoma of the endometrium primary?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Cancer of the uterine lining.
Precancerous changes in the uterine lining.
Benign smooth muscle tumor of the uterus.

Documentation Best Practices

Documentation Checklist
  • Adenocarcinoma of endometrium diagnosis: Document grade.
  • Endometrial cancer: Laterality, size, location.
  • Uterine cancer: Myometrial invasion depth.
  • Endometrial cancer staging: FIGO stage required.
  • Uterine cancer: Lymph node involvement documented.

Coding and Audit Risks

Common Risks
  • Histology Miscoding

    Incorrect coding of adenocarcinoma subtypes or differentiation (e.g., endometrioid, serous) impacting staging and treatment.

  • Myometrial Invasion

    Inaccurate documentation of myometrial invasion depth affecting stage and subsequent treatment planning.

  • Unspecified Laterality

    Missing documentation specifying laterality (if applicable) for bilateral or unilateral involvement, impacting staging.

Mitigation Tips

Best Practices
  • Code C54.1 for primary endometrial adenocarcinoma, Z85.42 for personal history.
  • Document tumor grade, stage, and size for accurate risk stratification.
  • Abstract staging data from pathology reports for precise coding.
  • Ensure complete documentation of hormonal therapies and treatments.
  • Regularly audit endometrial cancer cases for coding and CDI compliance.

Clinical Decision Support

Checklist
  • Verify endometrial sampling (biopsy/D&C) confirms adenocarcinoma.
  • Review imaging (ultrasound/MRI pelvis) for myometrial invasion/spread.
  • Assess CA-125 levels pre-op for risk stratification.
  • Document tumor grade, stage (FIGO), and histology for accurate coding (ICD-10 C54.x).
  • Confirm patient understands treatment plan and prognosis (shared decision-making).

Reimbursement and Quality Metrics

Impact Summary
  • Diagnosis: Adenocarcinoma of Endometrium (A), Endometrial Cancer, Uterine Cancer
  • Medical Billing Keywords: ICD-10 C54.1, DRG 355, cancer billing, gynecologic oncology billing
  • Coding Accuracy Impact: Precise coding ensures appropriate reimbursement for complex cancer care.
  • Reimbursement Impact: Accurate ICD-10 and DRG coding maximizes case mix index and hospital revenue.
  • Quality Metrics Impact: Data integrity impacts quality reporting for endometrial cancer treatment outcomes.
  • Hospital Reporting Impact: Accurate diagnosis coding is crucial for cancer registry data and public health reporting.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes. Our AI-powered assistant ensures compliance and reduces coding errors.

Frequently Asked Questions

Common Questions and Answers

Q: What are the most effective current treatment strategies for stage III endometrial adenocarcinoma, considering molecular classification?

A: Treatment for stage III endometrial adenocarcinoma is complex and requires a multidisciplinary approach tailored to the individual patient's molecular classification. Current National Comprehensive Cancer Network (NCCN) guidelines recommend surgery (total hysterectomy, bilateral salpingo-oophorectomy, and pelvic and para-aortic lymphadenectomy) as the cornerstone of treatment for most patients. Adjuvant therapy is frequently indicated and determined by molecular subtype, stage, and grade. For example, patients with high-risk features (e.g., serous or clear cell histology, lymphovascular space invasion) or advanced stage often benefit from adjuvant chemotherapy with carboplatin and paclitaxel. Molecular profiling, including assessment of mismatch repair (MMR) status, p53, and POLE mutation status, is essential for guiding treatment decisions. Patients with MMR-deficient tumors may benefit from immunotherapy with pembrolizumab. Consider implementing molecular testing into your clinical practice to personalize treatment strategies for optimal outcomes. Explore how S10.AI can help streamline molecular testing workflows and provide insights for personalized cancer care.

Q: How can I accurately differentiate between type I and type II endometrial adenocarcinoma in my clinical practice, and what are the key implications for prognosis and management?

A: Distinguishing between type I and type II endometrial adenocarcinoma is crucial for appropriate management. Type I, typically endometrioid histology, is associated with estrogen excess, often arises from atypical endometrial hyperplasia, and generally has a favorable prognosis. Conversely, type II tumors, including serous, clear cell, and undifferentiated carcinomas, are less common, are not associated with estrogen, and tend to be more aggressive with a poorer prognosis. Histopathological evaluation remains the gold standard for diagnosis, but certain clinical features can raise suspicion. Type I tumors often present with postmenopausal bleeding and are associated with obesity and diabetes. Type II tumors may present with abnormal vaginal discharge or pelvic pain and are less strongly associated with these risk factors. Accurate diagnosis relies on careful histopathological review, including immunohistochemistry. Given the differences in prognosis and treatment, ensuring accurate subtyping is crucial for personalized management. Learn more about how S10.AI can assist in clinical decision support for endometrial cancer by providing evidence-based insights.

Quick Tips

Practical Coding Tips
  • Code C54.1 for Adenocarcinoma of Endometrium
  • Document tumor grade/stage
  • Check laterality for uterine cancer
  • Consider Z87.4 for history of endometrial cancer
  • Review path report for morphology

Documentation Templates

Patient presents with complaints consistent with possible endometrial adenocarcinoma, including abnormal uterine bleeding, postmenopausal bleeding, and pelvic pain.  A comprehensive review of systems was conducted, noting relevant symptoms such as fatigue, weight loss, and abdominal bloating.  Past medical history includes hypertension and obesity.  Family history is significant for breast cancer in her mother.  Physical examination revealed an enlarged uterus.  Transvaginal ultrasound demonstrates endometrial thickening, prompting further evaluation.  Endometrial biopsy was performed and pathology report confirms the diagnosis of adenocarcinoma of the endometrium, also referred to as uterine cancer.  Differential diagnoses considered included endometrial hyperplasia, uterine fibroids, and endometrial polyps.  Staging workup, including pelvic MRI and CT scan of the abdomen and pelvis, is planned to assess for metastatic disease.  The patient was counseled regarding treatment options for endometrial cancer, including hysterectomy, radiation therapy, chemotherapy, and hormone therapy.  Risks and benefits of each treatment modality were discussed.  The patient will be referred to a gynecologic oncologist for further management and treatment planning.  This case of endometrial carcinoma requires careful consideration of the patient's age, overall health, and the stage of the cancer to determine the most appropriate course of action.  Follow-up appointments are scheduled for ongoing monitoring and surveillance.  ICD-10 code C54.1 is recorded for malignant neoplasm of corpus uteri.