J45.21 — Mild intermittent asthma with (acute) exacerbation
ICD-10-CM
Prior Authorization
No Prior Auth Required
No active coverage policies found for this code (low confidence)
Documentation Required
- All documentation must be maintained in the patient's medical record and made available to the contractor upon request; every page must be legible and include appropriate patient identification (e.g., complete name, dates of service).
- The medical record must include the legible signature of the physician or non-physician practitioner responsible for and providing the care.
- The medical record must support the selected ICD-10-CM code(s) and the submitted CPT/HCPCS code must accurately describe the service performed.
- Prior to testing there must be evidence that a history was obtained indicating possible allergy and that attempts were made to narrow the area of investigation so that the minimal necessary skin tests were selected.
Key Coverage Criteria
- Allergy testing is covered when the medical record documents a history indicating the possible presence of allergy and the clinician selected a minimal number of tests/antigens based on patient-specific history and physician examination.
- Allergy testing is covered when the medical record documents the test(s) used, the interpretation(s), and objective measurement of reaction size (wheal and erythema in mm) or a standardized in vivo grading system.
- Skilled therapy services are covered when the skills of a qualified therapist are necessary to improve the patient’s current condition, to maintain the patient’s current condition, or to prevent or slow further deterioration.
- Rehabilitative therapy is covered when therapist skills are necessary to safely and effectively furnish a recognized therapy service with the goal of improving an impairment or functional limitation.
- Maintenance therapy is covered only when an individualized clinical assessment documents that specialized judgment, knowledge, and skills of a qualified therapist are necessary to perform the maintenance program safely and effectively.
- Physical therapy (CPT 97161-97163) and occupational therapy (CPT 97165-97167) evaluations are covered; when an evaluation is the only service in an episode, the evaluation serves as the plan of care if it contains a diagnosis or a description sufficient for the referring physician/NPP to determine a diagnosis.
20 Active Policies
L36408 — Allergen Immunotherapy (AIT) with Subcutaneous Immunotherapy (SCIT)
J05
L36402 — Allergy Testing
J05
A57473 — Billing and Coding: Allergy Testing
J05
A57472 — Billing and Coding: Allergy Immunotherapy
J05
L40195 — Allergen Immunotherapy (AIT) with Subcutaneous Immunotherapy (SCIT)
Related Codes
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