Other streptococcal arthritis, unspecified hand

This code signifies an inflammatory joint condition affecting an unspecified hand, specifically caused by a streptococcal bacterial infection. It indicates an acute or subacute arthritis where the causative organism has been identified as Streptococcus, but the specific type of streptococcus is not further detailed.

Apply this code when documentation clearly states streptococcal arthritis involving the hand, and no further specificity regarding the hand (e.g., right, left) is provided. This is appropriate for patients presenting with acute joint pain, swelling, and warmth in the hand, with laboratory confirmation of streptococcal infection.

• Ensure documentation specifies "streptococcal" as the causative agent for the arthritis.
• Avoid using this code if the specific hand (right or left) is documented; instead, use the more specific M00.241 or M00.242.
• Always sequence a code for the underlying streptococcal infection (e.g., A49.1 for streptococcal infection, unspecified site) as a secondary diagnosis if not already captured.