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R19.09
ICD-10-CM
Adnexal Mass

Understanding Adnexal Mass (Ovarian Mass, Pelvic Mass, Adnexal Tumor): This resource provides information on Adnexal Mass diagnosis, including clinical documentation, medical coding, and healthcare best practices. Learn about Adnexal Tumor evaluation, Pelvic Mass symptoms, and Ovarian Mass treatment options. Find guidance for accurate medical coding related to Adnexal Masses for optimal healthcare reimbursement.

Also known as

Ovarian Mass
Pelvic Mass
Adnexal Tumor

Diagnosis Snapshot

Key Facts
  • Definition : An abnormal growth in the area around the uterus, including the ovaries and fallopian tubes.
  • Clinical Signs : Often asymptomatic. May present with pelvic pain, bloating, or menstrual changes. Requires imaging for diagnosis.
  • Common Settings : Gynecology clinics, primary care offices, emergency rooms for acute pain or torsion.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC R19.09 Coding
N83.0-N83.9

Noninflammatory disorders of ovary, fallopian tube, and broad ligament

Covers various non-inflammatory adnexal conditions, including cysts and masses.

D27

Benign neoplasm of ovary

Specifically for benign ovarian tumors, a common type of adnexal mass.

C56

Malignant neoplasm of ovary

Addresses cancerous ovarian tumors, another possible cause of adnexal masses.

R10.0-R10.8

Pelvic and perineal pain

May be relevant if the adnexal mass causes pain in these regions.

Code-Specific Guidance

Decision Tree for

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

Is the adnexal mass specified as inflammatory?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Growth near uterus, often ovary.
Mass arising from the ovary.
Abnormal growth in the pelvis.

Documentation Best Practices

Documentation Checklist
  • Adnexal mass laterality (left, right, bilateral)
  • Mass size (cm), measured via imaging
  • Palpable on exam? Location/mobility details
  • Ultrasound characteristics: simple vs. complex
  • Symptoms: pain, bloating, pressure, abnormal bleeding

Coding and Audit Risks

Common Risks
  • Laterality Documentation

    Missing documentation specifying whether the adnexal mass is on the right, left, or bilateral side, impacting accurate coding.

  • Specificity of Diagnosis

    Using a generic term like 'adnexal mass' instead of a more definitive diagnosis if known (e.g., cyst, tumor) can lead to coding errors.

  • Unconfirmed Diagnosis Coding

    Coding a suspected or probable diagnosis as confirmed without clear documentation of confirmation can cause inaccurate reporting.

Mitigation Tips

Best Practices
  • ICD-10 N83.2, clear laterality documentation for adnexal mass.
  • CPT coding: pelvic US for diagnosis, surgical codes if removed.
  • CDI: specify mass type, size, location, complexity for accurate billing.
  • HCC coding: document associated symptoms, consider malignancy (C56).
  • Compliance: detailed operative report if surgery performed, pathology report.

Clinical Decision Support

Checklist
  • Confirm laterality (right, left, bilateral) and document precisely.
  • Characterize mass (cystic, solid, complex) using imaging results.
  • Assess CA-125 levels and document, especially if >35 U/mL.
  • Evaluate for pelvic pain, bloating, abnormal bleeding, and document.
  • Rule out other diagnoses (ectopic pregnancy, fibroids) and document.

Reimbursement and Quality Metrics

Impact Summary
  • Adnexal Mass (A) reimbursement hinges on accurate coding (ICD-10 N83.x) and documentation specifying laterality, size, and characteristics.
  • Coding quality impacts Adnexal Mass claims denials. Proper use of laterality codes (e.g., N83.201, N83.202) is crucial.
  • Hospital reporting of Adnexal Mass cases affects quality metrics tied to surgical outcomes and complication rates (e.g., post-op infections).
  • Accurate Adnexal Mass diagnosis coding improves data for research, resource allocation, and public health surveillance.

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 is the optimal diagnostic workup for an adnexal mass in a premenopausal woman, considering both benign and malignant differentials?

A: The optimal diagnostic workup for an adnexal mass in a premenopausal woman should consider the wide range of potential diagnoses, from benign physiological cysts to malignant ovarian neoplasms. Initial assessment includes a thorough pelvic exam combined with transvaginal ultrasound to characterize the mass (size, morphology, complexity). Serum CA-125 levels can be helpful, particularly in postmenopausal women, but have limitations in premenopausal patients due to lower specificity. Risk stratification models, such as the RMI (risk of malignancy index), incorporating ultrasound findings and CA-125, can aid in risk assessment. For complex masses or those with concerning features, further imaging with MRI may be warranted. Consider implementing a multidisciplinary approach involving gynecologic oncologists for suspected malignancy. Explore how risk stratification tools and advanced imaging modalities can enhance the accuracy of adnexal mass evaluation. If surgical intervention is considered, referral to a gynecologic oncologist is crucial for optimal management.

Q: How can I differentiate a simple ovarian cyst from a more concerning adnexal mass requiring urgent gynecologic oncology referral?

A: Differentiating a simple ovarian cyst from a more concerning adnexal mass relies on a combination of clinical findings and imaging characteristics. Simple cysts typically appear anechoic on ultrasound, with thin, smooth walls and no internal septations or solid components. Conversely, features suggestive of malignancy include thick septations, solid components, papillary projections, increased vascularity on Doppler, and ascites. Size alone is not always a reliable indicator, but larger masses, especially those rapidly growing, warrant closer scrutiny. Elevated CA-125, while not definitive, adds to suspicion. Clinicians should maintain a high index of suspicion for any adnexal mass in postmenopausal women. Learn more about the specific ultrasound characteristics that differentiate benign from malignant adnexal masses to ensure prompt and appropriate referrals. If any doubt exists, urgent gynecologic oncology consultation is recommended, as early diagnosis and intervention significantly impact outcomes for ovarian cancer.

Quick Tips

Practical Coding Tips
  • Code adnexal mass N83.2
  • Rule out malignancy
  • Check laterality (ICD-10-CM)
  • Document mass size, location
  • Correlate imaging findings

Documentation Templates

Patient presents with concerns regarding a possible adnexal mass.  Presenting symptoms include pelvic pain, bloating, abdominal distension, and irregular menses.  Differential diagnoses considered include ovarian cyst, adnexal torsion, ectopic pregnancy, pelvic inflammatory disease, and other gynecological malignancies.  Physical examination revealed tenderness in the adnexal region.  Pelvic ultrasound was performed, demonstrating a complex adnexal mass measuring [size] cm.  CA-125 levels were drawn.  Patient was counseled on the possible diagnoses and treatment options, including watchful waiting with repeat ultrasound, surgical intervention such as laparoscopy or laparotomy, and medical management depending on the final diagnosis.  The patient's medical history includes [relevant medical history, e.g., prior pregnancies, surgeries, gynecological conditions].  Family history is significant for [relevant family history, e.g., ovarian cancer, breast cancer].  The patient was advised to return for follow-up in [timeframe] to discuss results and further management.  ICD-10 code N73.9 (Female pelvic mass, unspecified) is provisionally assigned, pending definitive diagnosis.  This may be updated based on further investigation and pathology results if surgical intervention is pursued.  Further evaluation is required to determine the etiology of the adnexal mass and guide appropriate treatment.