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Toxic Retinopathy F085
Current RMA Instruments
|Reasonable Hypothesis SOP||19 of 2018|
|Balance of Probabilities SOP||20 of 2018|
Changes from previous Instruments
- ICD-9-CM Codes: 362.55
- ICD-10-AM Codes: H35.35
This SOP covers damage to the retina, resulting in non-reversible loss of vision, due to the effects of a drug or other chemical agent.
Confirming the diagnosis
This diagnosis is technically difficult and is a diagnosis of exclusion.
The relevant medical specialist is an ophthalmologist.
Additional diagnoses covered by SOP
- chemically-induced cystoid macular oedema
- crystalline retinopathy
- Macular component of a toxic retinopathy
- toxic maculopathy
Conditions excluded from SOP
- Age-related macular degeneration*
- Cellophane maculopathy#
- Diabetic retinopathy# (propagates to diabetes mellitus SOP)
- Retinal detachment#
- Retinal vascular occlusive disease*
- Retinitis pigmentosa#
- Toxic amblyopia#
- Toxic optic neuropathy#
- Zonal occult outer retinopathy#
* another SOP applies
# non-SOP condition
Onset may be insidious, particularly if quinoline drugs are involved, or for other agents, may be soon after exposure commenced. Changes in vision may be noticed or the condition first found on ophthalmological examination.
The only worsening factor is for inability to obtain appropriate clinical management. Appropriate management may include ceasing a drug that has caused toxic retinopathy.