ICD-10 Code M00.111 – Pneumococcal arthritis, right shoulder (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code M00.111 – Pneumococcal arthritis, right shoulder
What it is
M00.111 identifies a pneumococcal joint infection affecting the right shoulder. Use it when documentation specifies Streptococcus pneumoniae as the cause of septic arthritis in that joint.
Clinical signs
Typical findings include acute shoulder pain, swelling, warmth, and limited range of motion. Clinical features vary; refer to documentation for confirmed organism and affected joint.
When to use this code
Use this code when the record clearly documents pneumococcal arthritis of the right shoulder, including septic arthritis caused by Streptococcus pneumoniae. It is appropriate for confirmed infection or provider-documented diagnosis, even if the note is brief. Check documentation if the organism or laterality is unclear.
Do not use for
Do not use this code for noninfectious arthritis, unspecified septic arthritis, or infection in a different joint. If the organism is not documented as pneumococcal, check documentation.
Coding tip
Verify both the organism and right-shoulder laterality before assigning M00.111.