Is M1A.1 a billable code?
No. M1A.1 is a header code that groups 42 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
M1A.1: Lead-induced chronic gout
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
M1A.1 groups related diagnoses under lead-induced chronic gout. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under M1A.1
- M1A.1110Lead-induced chronic gout, right shoulder, without tophus (tophi)
- M1A.1111Lead-induced chronic gout, right shoulder, with tophus (tophi)
- M1A.1120Lead-induced chronic gout, left shoulder, without tophus (tophi)
- M1A.1121Lead-induced chronic gout, left shoulder, with tophus (tophi)
- M1A.1190Lead-induced chronic gout, unspecified shoulder, without tophus (tophi)
- M1A.1191Lead-induced chronic gout, unspecified shoulder, with tophus (tophi)
- M1A.1210Lead-induced chronic gout, right elbow, without tophus (tophi)
- M1A.1211Lead-induced chronic gout, right elbow, with tophus (tophi)
- M1A.1220Lead-induced chronic gout, left elbow, without tophus (tophi)
- M1A.1221Lead-induced chronic gout, left elbow, with tophus (tophi)
- M1A.1290Lead-induced chronic gout, unspecified elbow, without tophus (tophi)
- M1A.1291Lead-induced chronic gout, unspecified elbow, with tophus (tophi)
- M1A.1310Lead-induced chronic gout, right wrist, without tophus (tophi)
- M1A.1311Lead-induced chronic gout, right wrist, with tophus (tophi)
- M1A.1320Lead-induced chronic gout, left wrist, without tophus (tophi)
- M1A.1321Lead-induced chronic gout, left wrist, with tophus (tophi)
- M1A.1390Lead-induced chronic gout, unspecified wrist, without tophus (tophi)
- M1A.1391Lead-induced chronic gout, unspecified wrist, with tophus (tophi)
- M1A.1410Lead-induced chronic gout, right hand, without tophus (tophi)
- M1A.1411Lead-induced chronic gout, right hand, with tophus (tophi)
- M1A.1420Lead-induced chronic gout, left hand, without tophus (tophi)
- M1A.1421Lead-induced chronic gout, left hand, with tophus (tophi)
- M1A.1490Lead-induced chronic gout, unspecified hand, without tophus (tophi)
- M1A.1491Lead-induced chronic gout, unspecified hand, with tophus (tophi)
- M1A.1510Lead-induced chronic gout, right hip, without tophus (tophi)
- M1A.1511Lead-induced chronic gout, right hip, with tophus (tophi)
- M1A.1520Lead-induced chronic gout, left hip, without tophus (tophi)
- M1A.1521Lead-induced chronic gout, left hip, with tophus (tophi)
- M1A.1590Lead-induced chronic gout, unspecified hip, without tophus (tophi)
- M1A.1591Lead-induced chronic gout, unspecified hip, with tophus (tophi)
- M1A.1610Lead-induced chronic gout, right knee, without tophus (tophi)
- M1A.1611Lead-induced chronic gout, right knee, with tophus (tophi)
- M1A.1620Lead-induced chronic gout, left knee, without tophus (tophi)
- M1A.1621Lead-induced chronic gout, left knee, with tophus (tophi)
- M1A.1690Lead-induced chronic gout, unspecified knee, without tophus (tophi)
- M1A.1691Lead-induced chronic gout, unspecified knee, with tophus (tophi)
- M1A.1710Lead-induced chronic gout, right ankle and foot, without tophus (tophi)
- M1A.1711Lead-induced chronic gout, right ankle and foot, with tophus (tophi)
- M1A.1720Lead-induced chronic gout, left ankle and foot, without tophus (tophi)
- M1A.1721Lead-induced chronic gout, left ankle and foot, with tophus (tophi)
- M1A.1790Lead-induced chronic gout, unspecified ankle and foot, without tophus (tophi)
- M1A.1791Lead-induced chronic gout, unspecified ankle and foot, with tophus (tophi)
M1A.1 questions
What does M1A.1 mean?
M1A.1 is the ICD-10-CM code for Lead-induced chronic gout. It is in chapter 13, Diseases of the musculoskeletal system and connective tissue (M00-M99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.