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N85.00
ICD-10-CM
Thickening of the Endometrium

Find information on thickened endometrium including diagnosis codes, clinical documentation requirements, endometrial hyperplasia treatment, sonographic findings of thickened endometrium, causes of endometrial thickening, and postmenopausal endometrial thickening. Learn about appropriate medical coding and billing for endometrial thickening evaluation and management, including ICD-10 codes and SNOMED CT terminology. This resource provides valuable insights for healthcare professionals involved in diagnosing and managing endometrial thickening.

Also known as

Endometrial Thickening
Endometrial Hyperplasia

Diagnosis Snapshot

Key Facts
  • Definition : Abnormal endometrial growth, often benign but can indicate precancer or cancer.
  • Clinical Signs : Irregular bleeding, heavy periods, postmenopausal bleeding, pelvic pain.
  • Common Settings : Gynecologist office, ultrasound imaging centers, hospitals (for biopsies).

Related ICD-10 Code Ranges

Complete code families applicable to AAPC N85.00 Coding
N85.89

Other specified noninflammatory disorders of uterus

Includes other specified noninflammatory disorders of the uterus, such as endometrial thickening.

N97.8

Other subinvolution of uterus

Subinvolution is incomplete involution of the uterus after childbirth, sometimes associated with thickened endometrium.

E28.2

Endometrial hyperplasia

Endometrial hyperplasia refers to the thickening of the uterine lining due to excessive cell growth.

Code-Specific Guidance

Decision Tree for

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

Is endometrial thickening due to hyperplasia?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Endometrial Thickening
Endometrial Hyperplasia
Endometrial Polyp

Documentation Best Practices

Documentation Checklist
  • Endometrial thickness measurement (mm)
  • Uterus size and shape by imaging
  • Menopausal status (pre/peri/post)
  • Symptoms (bleeding, pain, etc.)
  • Relevant medical history (PCOS,HRT)

Coding and Audit Risks

Common Risks
  • Unspecified Thickening

    Coding N97.8 (female genital organs NEC) without specifying endometrial thickening lacks detail for accurate reimbursement and quality metrics.

  • Missed Etiology

    Failing to code underlying causes like hormonal imbalances or medications can lead to underreporting severity and missed CC/MCC capture.

  • Benign vs. Malignant

    Incorrectly coding benign endometrial thickening as malignant or vice-versa impacts patient care and triggers audits due to significant clinical difference.

Mitigation Tips

Best Practices
  • Accurate ICD-10 coding (N85.0-N85.9) crucial for reimbursement.
  • Detailed HPI documentation supports medical necessity reviews.
  • Timely endometrial biopsy key for diagnosis and compliance.
  • Standardized CDI protocols enhance clinical documentation integrity.
  • Regular physician training ensures coding and billing accuracy.

Clinical Decision Support

Checklist
  • Verify endometrial thickness measurement (mm) documented.
  • Confirm patient age and menopausal status.
  • Review relevant history e.g., bleeding, HRT.
  • Check for prior imaging or biopsy results.
  • Assess risk factors for endometrial cancer.

Reimbursement and Quality Metrics

Impact Summary
  • Thickening of Endometrium: Reimbursement and Quality Metrics Impact Summary
  • ICD-10 N85.89, CPT 58350, accurate coding maximizes reimbursement.
  • Endometrial biopsy documentation impacts quality reporting metrics.
  • Timely diagnosis affects patient outcomes and downstream costs.
  • Accurate coding improves hospital case mix index and resource allocation.

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.

Quick Tips

Practical Coding Tips
  • Code N85.8 other endometrial disorders
  • Document endometrial thickness
  • Specify etiology if known
  • Consider D28.0 for atypical hyperplasia
  • Exclude other diagnoses like polyps

Documentation Templates

Patient presents with abnormal uterine bleeding, including menorrhagia, metrorrhagia, or postmenopausal bleeding.  Evaluation for endometrial thickening was prompted by symptoms andor imaging findings such as pelvic ultrasound demonstrating increased endometrial thickness.  Transvaginal ultrasound revealed an endometrial stripe measuring  X mm.  Differential diagnosis includes endometrial hyperplasia, endometrial polyps, endometrial cancer, and hormonal imbalances.  Patient's age, menopausal status, and relevant medical history, including hormone replacement therapy use, were considered.  Risk factors for endometrial cancer, such as obesity, diabetes, and family history of Lynch syndrome, were assessed.  A plan for endometrial biopsy or dilation and curettage (DandC) is recommended to obtain tissue for histopathological evaluation and definitive diagnosis.  Patient education regarding the procedure, risks, and benefits was provided.  Follow-up appointment scheduled to discuss pathology results and determine appropriate management based on the final diagnosis.  Medical coding may include ICD-10 codes N76.0, N76.2 depending on the underlying cause.  This documentation supports medical necessity for the procedures performed and facilitates accurate medical billing.