Adverse effect of antirheumatics, NEC, init

This code signifies an undesirable or harmful reaction experienced by a patient due to the therapeutic use of an antirheumatic medication that is not specifically categorized elsewhere. It indicates that the patient is in the initial phase of treatment for this adverse effect.

Apply this code when a patient presents with a new adverse reaction to an antirheumatic drug, such as a rash, gastrointestinal upset, or liver enzyme elevation, and the specific drug or reaction isn't covered by a more precise code. This is appropriate for the first encounter where the adverse effect is being evaluated and treated.

• Always sequence the adverse effect code first, followed by codes for the specific manifestation of the adverse effect.
• Ensure the documentation clearly states the adverse nature of the reaction to an antirheumatic medication.
• Verify that the encounter is indeed the "initial encounter" for the management of this specific adverse effect.