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N73.9
ICD-10-CM
Pelvic Inflammatory Disease

Find comprehensive information on Pelvic Inflammatory Disease (PID) diagnosis, including clinical documentation, medical coding, ICD-10 codes for PID, and healthcare guidelines. Learn about PID symptoms, treatment, and differential diagnosis. This resource provides accurate medical information for healthcare professionals, clinicians, and medical coders seeking to improve their understanding of PID diagnosis and management. Explore resources on pelvic inflammatory disease treatment, chronic pelvic pain related to PID, and sexually transmitted infections associated with PID.

Also known as

PID
Salpingitis
Endometritis
+1 more

Diagnosis Snapshot

Key Facts
  • Definition : Infection of the female reproductive organs, often caused by STIs.
  • Clinical Signs : Lower abdominal pain, fever, vaginal discharge, painful intercourse.
  • Common Settings : Gynecology clinics, emergency rooms, primary care offices.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC N73.9 Coding
N73.5

Pelvic inflammatory disease

Infection of female upper genital tract.

N73.6

Chronic pelvic inflammatory disease

Long-lasting infection of female upper genital tract.

A54

Gonococcal infection

Infection caused by Neisseria gonorrhoeae, a common cause of PID.

A56

Chlamydial lymphogranuloma (venereum)

Sexually transmitted infection, another potential cause of PID.

Code-Specific Guidance

Decision Tree for

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

Is the PID acute?

  • Yes

    Is there tubo-ovarian abscess?

  • No

    Is the PID chronic?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Pelvic Inflammatory Disease
Endometriosis
Ovarian Cysts

Documentation Best Practices

Documentation Checklist
  • PID diagnosis: Document pelvic tenderness, cervical motion tenderness, or adnexal tenderness.
  • PID documentation: Include fever, abnormal discharge, elevated CRP/ESR.
  • Document PID symptoms: Lower abdominal pain, dyspareunia, irregular bleeding.
  • PID coding: Specify causative organism if known (chlamydia, gonorrhea).
  • Pelvic inflammatory disease: Document exclusion of other diagnoses.

Coding and Audit Risks

Common Risks
  • Unspecified PID

    Coding PID without specifying acute, chronic, or sequelae leads to inaccurate severity reflection and reimbursement.

  • Causative Organism

    Lack of documentation of causative organism for PID can impact treatment coding, quality metrics, and public health surveillance.

  • Tubal vs. Ovarian Involvement

    Incorrectly coding ovarian involvement as tubal or vice-versa in PID impacts quality data and may trigger audits.

Mitigation Tips

Best Practices
  • ICD-10 A54.9, N73.6: Precise PID coding
  • Document abdominopelvic exam, labs, imaging
  • Symptom specificity: Document dyspareunia, discharge details
  • Timely cultures, STI screening enhance PID Dx accuracy
  • R/o ectopic pregnancy, appendicitis: CDI vital for PID

Clinical Decision Support

Checklist
  • 1. Min. 1 symptom: ab pain, fever, discharge
  • 2. Cervical motion, uterine, adnexal tenderness
  • 3. Lab confirmation: high WBC, CRP or positive STI
  • 4. Document PID diagnosis (ICD-10: N73.9) and cause
  • 5. Outpatient Rx if stable, inpatient if severe

Reimbursement and Quality Metrics

Impact Summary
  • Pelvic Inflammatory Disease (PID) reimbursement hinges on accurate ICD-10 coding (N73.5, N73.6) and supporting documentation for severity and treatment.
  • Coding quality impacts PID MS-DRG assignment (e.g., 812, 813), affecting hospital reimbursement and case-mix index.
  • Timely and specific PID diagnosis coding improves data accuracy for quality reporting metrics like hospital readmissions and complications.
  • Proper coding and documentation minimize claim denials, optimize revenue cycle for PID, and contribute to accurate public health data.

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 sensitive and specific diagnostic criteria for Pelvic Inflammatory Disease (PID) in clinically suspected cases, considering both CDC guidelines and practical limitations?

A: While laparoscopy remains the gold standard for PID diagnosis, its invasive nature limits routine use. The CDC guidelines emphasize a low threshold for empiric treatment based on clinical findings. Minimal criteria include lower abdominal tenderness, uterine/adnexal tenderness, and cervical motion tenderness. However, for enhanced diagnostic accuracy, consider incorporating laboratory markers like elevated C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR). Ultrasound findings such as tubo-ovarian abscess or thickened, fluid-filled fallopian tubes can further strengthen the diagnosis, especially in uncertain cases. Explore how point-of-care ultrasound can expedite diagnosis and management of PID in your practice. Remember that no single test is perfectly sensitive or specific, and a combination of clinical, laboratory, and imaging findings alongside patient history is crucial for accurate PID diagnosis. Consider implementing a standardized diagnostic protocol based on these criteria to ensure consistent and timely management of PID.

Q: How do I differentiate Pelvic Inflammatory Disease (PID) from other common gynecological conditions like endometriosis, appendicitis, or ectopic pregnancy in a patient presenting with pelvic pain, and what immediate steps should I take to avoid misdiagnosis and potential complications?

A: Differentiating PID from conditions like endometriosis, appendicitis, and ectopic pregnancy requires careful clinical assessment and targeted investigations. While all can present with pelvic pain, PID typically involves fever, abnormal vaginal discharge (mucopurulent cervicitis), and elevated inflammatory markers like CRP and ESR. Endometriosis pain is often chronic and cyclical, related to menstruation. Appendicitis typically exhibits right lower quadrant pain with rebound tenderness and may involve nausea/vomiting. Ectopic pregnancy warrants urgent evaluation with beta-hCG and ultrasound given its life-threatening potential. In a patient with acute pelvic pain, immediate steps include a thorough history and physical exam, along with urgent pregnancy testing to rule out ectopic pregnancy. Consider a pelvic ultrasound for visualizing adnexal masses or other abnormalities suggestive of PID, endometriosis, or appendicitis. Learn more about the specific sonographic findings associated with each condition to enhance diagnostic accuracy. Prompt surgical consultation is crucial if appendicitis or ectopic pregnancy is suspected. For suspected PID, initiate empiric antibiotic therapy promptly to prevent long-term sequelae like infertility. Remember that these conditions can sometimes coexist, highlighting the importance of a comprehensive approach to diagnosis and management.

Quick Tips

Practical Coding Tips
  • Code PID severity: acute/chronic
  • Document infection site
  • Specify causative organism if known
  • Link PID to infertility/ectopic
  • Query physician for clarifications

Documentation Templates

Patient presents with complaints consistent with pelvic inflammatory disease (PID).  Symptoms include lower abdominal pain, pelvic pain, abnormal vaginal discharge characterized as purulent or mucopurulent, and dyspareunia.  Onset of symptoms began approximately one week ago and has progressively worsened.  Patient reports intermenstrual bleeding and postcoital bleeding.  Fever of 100.5 degrees Fahrenheit was documented.  Physical examination reveals cervical motion tenderness (CMT), uterine tenderness, and adnexal tenderness.  Differential diagnoses considered include ectopic pregnancy, appendicitis, ovarian cyst rupture, and endometriosis.  Laboratory tests ordered include a complete blood count (CBC) with differential, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), and urine pregnancy test to rule out pregnancy.  Nucleic acid amplification testing (NAAT) for Chlamydia trachomatis and Neisseria gonorrhoeae will be performed.  Given the clinical presentation and risk factors, a presumptive diagnosis of pelvic inflammatory disease is made.  Treatment initiated with ceftriaxone intramuscular injection and oral doxycycline, with metronidazole added for enhanced anaerobic coverage.  Patient education provided regarding safe sex practices, partner notification, and the importance of completing the full course of antibiotics.  Follow-up appointment scheduled in one week to assess response to treatment and monitor for potential complications such as tubo-ovarian abscess (TOA) or chronic pelvic pain.  ICD-10 code N73.6 and appropriate CPT codes for the evaluation and management (E/M) visit, laboratory tests, and administered medications will be documented for billing and coding purposes.  Patient advised to return to the clinic or seek emergency medical attention if symptoms worsen or new symptoms develop, such as severe pain, vomiting, or syncope.
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