M1A.18⚠ Requires 7th Character

Lead-induced chronic gout, vertebrae

⚠ 7th Character Required

The appropriate 7th character is to be added to each code from category M1A

This code is not valid for billing without a 7th character. Append one of the following to M1A.18:

0without tophus (tophi)M1A.18X01with tophus (tophi)M1A.18X1

Sub-codes of M1A.18(2)

M1A.18 is a non-billable header. Select a sub-code to bill.

M1A.180Lead-induced chronic gout, vertebrae, without tophus (tophi)✓ BillableM1A.181Lead-induced chronic gout, vertebrae, with tophus (tophi)✓ Billable

Code Hierarchy

┌13Diseases of the musculoskeletal system and connective tissue (M00-M99)├M05-M14Inflammatory polyarthropathies (M05-M14)├M1AChronic gout
└M1A.18Lead-induced chronic gout, vertebrae

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