Final answer:
The ICD-10-CM code for a retinal migraine is H53.81. This code is specifically used to diagnose retinal migraines and should be selected based on the healthcare provider's documentation.
Step-by-step explanation:
The correct ICD-10-CM code for a retinal migraine would be H53.81. Retinal migraine is characterized by episodes of visual disturbances that may be associated with headache. The code H53.81 is specific to the diagnosis of retinal migraine as per the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM). The selection of this code is based on the documentation provided by the healthcare provider and should reflect the clinical diagnosis. It's important for coding professionals to use the most specific code available to capture the patient's medical condition accurately.