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7122
§ 4.104 Schedule of ratings—cardiovascular system.

Frostbite residuals

Chronic effects of cold injury (e.g., numbness, tingling, arthritis in affected areas)

What the rating means

VA rates cold injury residuals (frostbite residuals) under diagnostic code 7122. Three ratings are possible: 10%, 20%, and 30%. The starting point for any rating is that you have arthralgia or other pain, numbness, or cold sensitivity in the affected part. That alone supports a 10% rating. To reach 20%, you must have that pain, numbness, or cold sensitivity plus one additional finding from a specific list — such as tissue loss, nail abnormalities, color changes, locally impaired sensation, hyperhidrosis, anhydrosis, X-ray abnormalities, muscle atrophy or fibrosis, deformity of distal joints, volar fat pad loss, avascular necrosis of bone, chronic ulceration, or carpal or tarsal tunnel syndrome. A 30% rating requires the same baseline symptoms plus two or more findings from that same list. Each affected part — for example, a hand, a foot, an ear, or a nose — is rated separately, and those separate ratings are then combined. Amputations, peripheral neuropathy, Raynaud's syndrome, and certain other residual conditions are evaluated under different diagnostic codes.

Evidence that helps

Medical records that document arthralgia, pain, numbness, or cold sensitivity in the affected part are the foundation for any rating. For a 20% or 30% rating, records showing one or more additional findings matter greatly. A physical examination could note tissue loss, color changes, nail abnormalities, or volar fat pad loss in the fingers or toes. Imaging such as X-rays may show osteoporosis, subarticular punched-out lesions, or osteoarthritis. An examiner might record muscle atrophy or fibrosis, flexion or extension deformity of distal joints, avascular necrosis, or chronic ulceration. Nerve conduction or clinical findings could confirm carpal or tarsal tunnel syndrome. Sweat-gland records might document hyperhidrosis or anhydrosis. Since each affected part is rated separately, records identifying which specific parts — both hands, both feet, ears, or nose — are involved help establish the number of separate evaluations. Statements from you describing how pain, numbness, or sensitivity affects your daily activities and work can also help document the severity and scope of your symptoms in each affected area.

Secondary conditions

Conditions that are often caused or made worse by this one. If you have any of these, they may be claimable as secondary service connection.