A54.42
Billable codeGonococcal arthritis
The ICD-10 code for gonococcal arthritis is A54.42.
Clinical notes
Excludes2 (not included here)
An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.
- gonococcal infection of spine (A54.41)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 09850
Associated MS-DRGs
A54.42 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 485Knee Procedures with Principal Diagnosis of Infection with MCC
- DRG 486Knee Procedures with Principal Diagnosis of Infection with CC
- DRG 487Knee Procedures with Principal Diagnosis of Infection without CC/MCC
- DRG 548Septic Arthritis with MCC
- DRG 549Septic Arthritis with CC
- DRG 550Septic Arthritis without CC/MCC