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ICD-10 Guide
ICD-10 CodesA54.43

A54.43

Gonococcal osteomyelitis

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 A54.43 is a billable code used to indicate a diagnosis of gonococcal osteomyelitis.

Key Diagnostic Point:

Gonococcal osteomyelitis is a rare but serious complication of disseminated gonococcal infection (DGI), which occurs when Neisseria gonorrhoeae bacteria spread from the urogenital tract to the bloodstream and subsequently to the bones. This condition is characterized by inflammation and infection of the bone, often presenting with localized pain, swelling, and fever. Patients may experience systemic symptoms such as chills and malaise. Gonococcal osteomyelitis is more common in individuals with underlying conditions that compromise the immune system or in those who engage in high-risk sexual behaviors. Diagnosis typically involves imaging studies, such as X-rays or MRI, to identify bone involvement, along with laboratory tests to confirm the presence of Neisseria gonorrhoeae. Treatment primarily consists of antibiotic therapy, often requiring hospitalization for intravenous antibiotics, especially in severe cases. Early recognition and treatment are crucial to prevent complications such as chronic osteomyelitis or systemic spread of the infection.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of sexually transmitted infections and their complications.
  • Differentiation from other types of osteomyelitis.
  • Need for accurate documentation of symptoms and laboratory findings.
  • Potential for co-infection with other STIs.

Audit Risk Factors

  • Inadequate documentation of sexual history.
  • Failure to document laboratory confirmation of Neisseria gonorrhoeae.
  • Lack of specificity in describing the site of osteomyelitis.
  • Misclassification of osteomyelitis type (gonococcal vs. non-gonococcal).

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed patient history, including sexual history and risk factors, laboratory results confirming gonococcal infection, and treatment plans.

Common Clinical Scenarios

Patients presenting with joint pain, fever, and a history of gonorrhea; patients with recurrent infections.

Billing Considerations

Documentation must clearly link the osteomyelitis to the gonococcal infection.

Orthopedics

Documentation Requirements

Imaging results, surgical notes if applicable, and detailed descriptions of the affected bone.

Common Clinical Scenarios

Patients with bone pain and swelling, particularly in the context of a known gonococcal infection.

Billing Considerations

Orthopedic surgeons must be aware of the infectious etiology to ensure appropriate treatment.

Coding Guidelines

Inclusion Criteria

Use A54.43 When
  • According to ICD
  • 10 coding guidelines, A54
  • 43 should be used when there is a confirmed diagnosis of gonococcal osteomyelitis
  • Documentation must support the diagnosis, including laboratory confirmation and clinical findings

Exclusion Criteria

Do NOT use A54.43 When
  • Exclusion criteria include osteomyelitis caused by other pathogens

Related CPT Codes

87591CPT Code

Nucleic acid amplification test for Neisseria gonorrhoeae

Clinical Scenario

Used to confirm the diagnosis of gonococcal infection in patients presenting with osteomyelitis.

Documentation Requirements

Document the reason for testing and the results.

Specialty Considerations

Infectious disease specialists should ensure accurate interpretation of results.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of gonococcal osteomyelitis, improving the accuracy of data collection and treatment tracking for this rare but serious condition.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of gonococcal osteomyelitis, improving the accuracy of data collection and treatment tracking for this rare but serious condition.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of gonococcal osteomyelitis, improving the accuracy of data collection and treatment tracking for this rare but serious condition.

Resources

Clinical References

  • •
    CDC Gonorrhea Treatment Guidelines

Coding & Billing References

  • •
    CDC Gonorrhea Treatment Guidelines

Frequently Asked Questions

What are the common symptoms of gonococcal osteomyelitis?

Common symptoms include localized bone pain, swelling, fever, and systemic symptoms such as chills and malaise. Patients may also have a history of gonorrhea.