M12.4
M12.4: Intermittent hydrarthrosis
Non-billable headerICD-10-CM
M12.4 is a non-billable header ICD-10-CM code for intermittent hydrarthrosis. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with M12.4
Their own Excludes1 notes name this code, so the conflict is not listed above.
- M25.4Effusion of joint
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead M12.4
10 child codes. Green means billable.
- M12.40Intermittent hydrarthrosis, unspecified site
- M12.41Intermittent hydrarthrosis, shoulder
- M12.42Intermittent hydrarthrosis, elbow
- M12.43Intermittent hydrarthrosis, wrist
- M12.44Intermittent hydrarthrosis, hand
- M12.45Intermittent hydrarthrosis, hip
- M12.46Intermittent hydrarthrosis, knee
- M12.47Intermittent hydrarthrosis, ankle and foot
- M12.48Intermittent hydrarthrosis, other site
- M12.49Intermittent hydrarthrosis, multiple sites