M1A Chronic gout
ICD-10-CM category M1A sits in Chapter 13 (Diseases of the musculoskeletal system and connective tissue, M00-M99). It contains 242 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
M1A.0 Idiopathic chronic goutM1A.00 Idiopathic chronic gout, unspecified siteM1A.01 Idiopathic chronic gout, shoulderM1A.011 Idiopathic chronic gout, right shoulderM1A.012 Idiopathic chronic gout, left shoulderM1A.019 Idiopathic chronic gout, unspecified shoulderM1A.02 Idiopathic chronic gout, elbowM1A.021 Idiopathic chronic gout, right elbowM1A.022 Idiopathic chronic gout, left elbowM1A.029 Idiopathic chronic gout, unspecified elbowM1A.03 Idiopathic chronic gout, wristM1A.031 Idiopathic chronic gout, right wristM1A.032 Idiopathic chronic gout, left wristM1A.039 Idiopathic chronic gout, unspecified wristM1A.04 Idiopathic chronic gout, handM1A.041 Idiopathic chronic gout, right handM1A.042 Idiopathic chronic gout, left handM1A.049 Idiopathic chronic gout, unspecified handM1A.05 Idiopathic chronic gout, hipM1A.051 Idiopathic chronic gout, right hipM1A.052 Idiopathic chronic gout, left hipM1A.059 Idiopathic chronic gout, unspecified hipM1A.06 Idiopathic chronic gout, kneeM1A.061 Idiopathic chronic gout, right kneeM1A.062 Idiopathic chronic gout, left kneeM1A.069 Idiopathic chronic gout, unspecified kneeM1A.07 Idiopathic chronic gout, ankle and footM1A.071 Idiopathic chronic gout, right ankle and footM1A.072 Idiopathic chronic gout, left ankle and footM1A.079 Idiopathic chronic gout, unspecified ankle and footM1A.08 Idiopathic chronic gout, vertebraeM1A.09 Idiopathic chronic gout, multiple sitesM1A.1 Lead-induced chronic goutM1A.10 Lead-induced chronic gout, unspecified siteM1A.11 Lead-induced chronic gout, shoulderM1A.111 Lead-induced chronic gout, right shoulderM1A.112 Lead-induced chronic gout, left shoulderM1A.119 Lead-induced chronic gout, unspecified shoulderM1A.12 Lead-induced chronic gout, elbowM1A.121 Lead-induced chronic gout, right elbow
Billable codes in M1A
| Code | Description |
|---|---|
M1A.00X0 | Idiopathic chronic gout, unspecified site, without tophus (tophi) |
M1A.00X1 | Idiopathic chronic gout, unspecified site, with tophus (tophi) |
M1A.0110 | Idiopathic chronic gout, right shoulder, without tophus (tophi) |
M1A.0111 | Idiopathic chronic gout, right shoulder, with tophus (tophi) |
M1A.0120 | Idiopathic chronic gout, left shoulder, without tophus (tophi) |
M1A.0121 | Idiopathic chronic gout, left shoulder, with tophus (tophi) |
M1A.0190 | Idiopathic chronic gout, unspecified shoulder, without tophus (tophi) |
M1A.0191 | Idiopathic chronic gout, unspecified shoulder, with tophus (tophi) |
M1A.0210 | Idiopathic chronic gout, right elbow, without tophus (tophi) |
M1A.0211 | Idiopathic chronic gout, right elbow, with tophus (tophi) |
M1A.0220 | Idiopathic chronic gout, left elbow, without tophus (tophi) |
M1A.0221 | Idiopathic chronic gout, left elbow, with tophus (tophi) |
M1A.0290 | Idiopathic chronic gout, unspecified elbow, without tophus (tophi) |
M1A.0291 | Idiopathic chronic gout, unspecified elbow, with tophus (tophi) |
M1A.0310 | Idiopathic chronic gout, right wrist, without tophus (tophi) |
M1A.0311 | Idiopathic chronic gout, right wrist, with tophus (tophi) |
M1A.0320 | Idiopathic chronic gout, left wrist, without tophus (tophi) |
M1A.0321 | Idiopathic chronic gout, left wrist, with tophus (tophi) |
M1A.0390 | Idiopathic chronic gout, unspecified wrist, without tophus (tophi) |
M1A.0391 | Idiopathic chronic gout, unspecified wrist, with tophus (tophi) |
M1A.0410 | Idiopathic chronic gout, right hand, without tophus (tophi) |
M1A.0411 | Idiopathic chronic gout, right hand, with tophus (tophi) |
M1A.0420 | Idiopathic chronic gout, left hand, without tophus (tophi) |
M1A.0421 | Idiopathic chronic gout, left hand, with tophus (tophi) |
M1A.0490 | Idiopathic chronic gout, unspecified hand, without tophus (tophi) |
M1A.0491 | Idiopathic chronic gout, unspecified hand, with tophus (tophi) |
M1A.0510 | Idiopathic chronic gout, right hip, without tophus (tophi) |
M1A.0511 | Idiopathic chronic gout, right hip, with tophus (tophi) |
M1A.0520 | Idiopathic chronic gout, left hip, without tophus (tophi) |
M1A.0521 | Idiopathic chronic gout, left hip, with tophus (tophi) |
M1A.0590 | Idiopathic chronic gout, unspecified hip, without tophus (tophi) |
M1A.0591 | Idiopathic chronic gout, unspecified hip, with tophus (tophi) |
M1A.0610 | Idiopathic chronic gout, right knee, without tophus (tophi) |
M1A.0611 | Idiopathic chronic gout, right knee, with tophus (tophi) |
M1A.0620 | Idiopathic chronic gout, left knee, without tophus (tophi) |
M1A.0621 | Idiopathic chronic gout, left knee, with tophus (tophi) |
M1A.0690 | Idiopathic chronic gout, unspecified knee, without tophus (tophi) |
M1A.0691 | Idiopathic chronic gout, unspecified knee, with tophus (tophi) |
M1A.0710 | Idiopathic chronic gout, right ankle and foot, without tophus (tophi) |
M1A.0711 | Idiopathic chronic gout, right ankle and foot, with tophus (tophi) |
M1A.0720 | Idiopathic chronic gout, left ankle and foot, without tophus (tophi) |
M1A.0721 | Idiopathic chronic gout, left ankle and foot, with tophus (tophi) |
M1A.0790 | Idiopathic chronic gout, unspecified ankle and foot, without tophus (tophi) |
M1A.0791 | Idiopathic chronic gout, unspecified ankle and foot, with tophus (tophi) |
M1A.08X0 | Idiopathic chronic gout, vertebrae, without tophus (tophi) |
M1A.08X1 | Idiopathic chronic gout, vertebrae, with tophus (tophi) |
M1A.09X0 | Idiopathic chronic gout, multiple sites, without tophus (tophi) |
M1A.09X1 | Idiopathic chronic gout, multiple sites, with tophus (tophi) |
M1A.10X0 | Lead-induced chronic gout, unspecified site, without tophus (tophi) |
M1A.10X1 | Lead-induced chronic gout, unspecified site, with tophus (tophi) |
M1A.1110 | Lead-induced chronic gout, right shoulder, without tophus (tophi) |
M1A.1111 | Lead-induced chronic gout, right shoulder, with tophus (tophi) |
M1A.1120 | Lead-induced chronic gout, left shoulder, without tophus (tophi) |
M1A.1121 | Lead-induced chronic gout, left shoulder, with tophus (tophi) |
M1A.1190 | Lead-induced chronic gout, unspecified shoulder, without tophus (tophi) |
M1A.1191 | Lead-induced chronic gout, unspecified shoulder, with tophus (tophi) |
M1A.1210 | Lead-induced chronic gout, right elbow, without tophus (tophi) |
M1A.1211 | Lead-induced chronic gout, right elbow, with tophus (tophi) |
M1A.1220 | Lead-induced chronic gout, left elbow, without tophus (tophi) |
M1A.1221 | Lead-induced chronic gout, left elbow, with tophus (tophi) |
M1A.1290 | Lead-induced chronic gout, unspecified elbow, without tophus (tophi) |
M1A.1291 | Lead-induced chronic gout, unspecified elbow, with tophus (tophi) |
M1A.1310 | Lead-induced chronic gout, right wrist, without tophus (tophi) |
M1A.1311 | Lead-induced chronic gout, right wrist, with tophus (tophi) |
M1A.1320 | Lead-induced chronic gout, left wrist, without tophus (tophi) |
M1A.1321 | Lead-induced chronic gout, left wrist, with tophus (tophi) |
M1A.1390 | Lead-induced chronic gout, unspecified wrist, without tophus (tophi) |
M1A.1391 | Lead-induced chronic gout, unspecified wrist, with tophus (tophi) |
M1A.1410 | Lead-induced chronic gout, right hand, without tophus (tophi) |
M1A.1411 | Lead-induced chronic gout, right hand, with tophus (tophi) |
M1A.1420 | Lead-induced chronic gout, left hand, without tophus (tophi) |
M1A.1421 | Lead-induced chronic gout, left hand, with tophus (tophi) |
M1A.1490 | Lead-induced chronic gout, unspecified hand, without tophus (tophi) |
M1A.1491 | Lead-induced chronic gout, unspecified hand, with tophus (tophi) |
M1A.1510 | Lead-induced chronic gout, right hip, without tophus (tophi) |
M1A.1511 | Lead-induced chronic gout, right hip, with tophus (tophi) |
M1A.1520 | Lead-induced chronic gout, left hip, without tophus (tophi) |
M1A.1521 | Lead-induced chronic gout, left hip, with tophus (tophi) |
M1A.1590 | Lead-induced chronic gout, unspecified hip, without tophus (tophi) |
M1A.1591 | Lead-induced chronic gout, unspecified hip, with tophus (tophi) |
M1A.1610 | Lead-induced chronic gout, right knee, without tophus (tophi) |
M1A.1611 | Lead-induced chronic gout, right knee, with tophus (tophi) |
M1A.1620 | Lead-induced chronic gout, left knee, without tophus (tophi) |
M1A.1621 | Lead-induced chronic gout, left knee, with tophus (tophi) |
M1A.1690 | Lead-induced chronic gout, unspecified knee, without tophus (tophi) |
M1A.1691 | Lead-induced chronic gout, unspecified knee, with tophus (tophi) |
M1A.1710 | Lead-induced chronic gout, right ankle and foot, without tophus (tophi) |
M1A.1711 | Lead-induced chronic gout, right ankle and foot, with tophus (tophi) |
M1A.1720 | Lead-induced chronic gout, left ankle and foot, without tophus (tophi) |
M1A.1721 | Lead-induced chronic gout, left ankle and foot, with tophus (tophi) |
M1A.1790 | Lead-induced chronic gout, unspecified ankle and foot, without tophus (tophi) |
M1A.1791 | Lead-induced chronic gout, unspecified ankle and foot, with tophus (tophi) |
M1A.18X0 | Lead-induced chronic gout, vertebrae, without tophus (tophi) |
M1A.18X1 | Lead-induced chronic gout, vertebrae, with tophus (tophi) |
M1A.19X0 | Lead-induced chronic gout, multiple sites, without tophus (tophi) |
M1A.19X1 | Lead-induced chronic gout, multiple sites, with tophus (tophi) |
M1A.20X0 | Drug-induced chronic gout, unspecified site, without tophus (tophi) |
M1A.20X1 | Drug-induced chronic gout, unspecified site, with tophus (tophi) |
M1A.2110 | Drug-induced chronic gout, right shoulder, without tophus (tophi) |
M1A.2111 | Drug-induced chronic gout, right shoulder, with tophus (tophi) |
M1A.2120 | Drug-induced chronic gout, left shoulder, without tophus (tophi) |
M1A.2121 | Drug-induced chronic gout, left shoulder, with tophus (tophi) |
M1A.2190 | Drug-induced chronic gout, unspecified shoulder, without tophus (tophi) |
M1A.2191 | Drug-induced chronic gout, unspecified shoulder, with tophus (tophi) |
M1A.2210 | Drug-induced chronic gout, right elbow, without tophus (tophi) |
M1A.2211 | Drug-induced chronic gout, right elbow, with tophus (tophi) |
M1A.2220 | Drug-induced chronic gout, left elbow, without tophus (tophi) |
M1A.2221 | Drug-induced chronic gout, left elbow, with tophus (tophi) |
M1A.2290 | Drug-induced chronic gout, unspecified elbow, without tophus (tophi) |
M1A.2291 | Drug-induced chronic gout, unspecified elbow, with tophus (tophi) |
M1A.2310 | Drug-induced chronic gout, right wrist, without tophus (tophi) |
M1A.2311 | Drug-induced chronic gout, right wrist, with tophus (tophi) |
M1A.2320 | Drug-induced chronic gout, left wrist, without tophus (tophi) |
M1A.2321 | Drug-induced chronic gout, left wrist, with tophus (tophi) |
M1A.2390 | Drug-induced chronic gout, unspecified wrist, without tophus (tophi) |
M1A.2391 | Drug-induced chronic gout, unspecified wrist, with tophus (tophi) |
M1A.2410 | Drug-induced chronic gout, right hand, without tophus (tophi) |
M1A.2411 | Drug-induced chronic gout, right hand, with tophus (tophi) |
M1A.2420 | Drug-induced chronic gout, left hand, without tophus (tophi) |
M1A.2421 | Drug-induced chronic gout, left hand, with tophus (tophi) |
M1A.2490 | Drug-induced chronic gout, unspecified hand, without tophus (tophi) |
M1A.2491 | Drug-induced chronic gout, unspecified hand, with tophus (tophi) |
M1A.2510 | Drug-induced chronic gout, right hip, without tophus (tophi) |
M1A.2511 | Drug-induced chronic gout, right hip, with tophus (tophi) |
M1A.2520 | Drug-induced chronic gout, left hip, without tophus (tophi) |
M1A.2521 | Drug-induced chronic gout, left hip, with tophus (tophi) |
M1A.2590 | Drug-induced chronic gout, unspecified hip, without tophus (tophi) |
M1A.2591 | Drug-induced chronic gout, unspecified hip, with tophus (tophi) |
M1A.2610 | Drug-induced chronic gout, right knee, without tophus (tophi) |
M1A.2611 | Drug-induced chronic gout, right knee, with tophus (tophi) |
M1A.2620 | Drug-induced chronic gout, left knee, without tophus (tophi) |
M1A.2621 | Drug-induced chronic gout, left knee, with tophus (tophi) |
M1A.2690 | Drug-induced chronic gout, unspecified knee, without tophus (tophi) |
M1A.2691 | Drug-induced chronic gout, unspecified knee, with tophus (tophi) |
M1A.2710 | Drug-induced chronic gout, right ankle and foot, without tophus (tophi) |
M1A.2711 | Drug-induced chronic gout, right ankle and foot, with tophus (tophi) |
M1A.2720 | Drug-induced chronic gout, left ankle and foot, without tophus (tophi) |
M1A.2721 | Drug-induced chronic gout, left ankle and foot, with tophus (tophi) |
M1A.2790 | Drug-induced chronic gout, unspecified ankle and foot, without tophus (tophi) |
M1A.2791 | Drug-induced chronic gout, unspecified ankle and foot, with tophus (tophi) |
M1A.28X0 | Drug-induced chronic gout, vertebrae, without tophus (tophi) |
M1A.28X1 | Drug-induced chronic gout, vertebrae, with tophus (tophi) |
M1A.29X0 | Drug-induced chronic gout, multiple sites, without tophus (tophi) |
M1A.29X1 | Drug-induced chronic gout, multiple sites, with tophus (tophi) |
M1A.30X0 | Chronic gout due to renal impairment, unspecified site, without tophus (tophi) |
M1A.30X1 | Chronic gout due to renal impairment, unspecified site, with tophus (tophi) |
M1A.3110 | Chronic gout due to renal impairment, right shoulder, without tophus (tophi) |
M1A.3111 | Chronic gout due to renal impairment, right shoulder, with tophus (tophi) |
M1A.3120 | Chronic gout due to renal impairment, left shoulder, without tophus (tophi) |
M1A.3121 | Chronic gout due to renal impairment, left shoulder, with tophus (tophi) |
M1A.3190 | Chronic gout due to renal impairment, unspecified shoulder, without tophus (tophi) |
M1A.3191 | Chronic gout due to renal impairment, unspecified shoulder, with tophus (tophi) |
M1A.3210 | Chronic gout due to renal impairment, right elbow, without tophus (tophi) |
M1A.3211 | Chronic gout due to renal impairment, right elbow, with tophus (tophi) |
M1A.3220 | Chronic gout due to renal impairment, left elbow, without tophus (tophi) |
M1A.3221 | Chronic gout due to renal impairment, left elbow, with tophus (tophi) |
M1A.3290 | Chronic gout due to renal impairment, unspecified elbow, without tophus (tophi) |
M1A.3291 | Chronic gout due to renal impairment, unspecified elbow, with tophus (tophi) |
M1A.3310 | Chronic gout due to renal impairment, right wrist, without tophus (tophi) |
M1A.3311 | Chronic gout due to renal impairment, right wrist, with tophus (tophi) |
M1A.3320 | Chronic gout due to renal impairment, left wrist, without tophus (tophi) |
M1A.3321 | Chronic gout due to renal impairment, left wrist, with tophus (tophi) |
M1A.3390 | Chronic gout due to renal impairment, unspecified wrist, without tophus (tophi) |
M1A.3391 | Chronic gout due to renal impairment, unspecified wrist, with tophus (tophi) |
M1A.3410 | Chronic gout due to renal impairment, right hand, without tophus (tophi) |
M1A.3411 | Chronic gout due to renal impairment, right hand, with tophus (tophi) |
M1A.3420 | Chronic gout due to renal impairment, left hand, without tophus (tophi) |
M1A.3421 | Chronic gout due to renal impairment, left hand, with tophus (tophi) |
M1A.3490 | Chronic gout due to renal impairment, unspecified hand, without tophus (tophi) |
M1A.3491 | Chronic gout due to renal impairment, unspecified hand, with tophus (tophi) |
M1A.3510 | Chronic gout due to renal impairment, right hip, without tophus (tophi) |
M1A.3511 | Chronic gout due to renal impairment, right hip, with tophus (tophi) |
M1A.3520 | Chronic gout due to renal impairment, left hip, without tophus (tophi) |
M1A.3521 | Chronic gout due to renal impairment, left hip, with tophus (tophi) |
M1A.3590 | Chronic gout due to renal impairment, unspecified hip, without tophus (tophi) |
M1A.3591 | Chronic gout due to renal impairment, unspecified hip, with tophus (tophi) |
M1A.3610 | Chronic gout due to renal impairment, right knee, without tophus (tophi) |
M1A.3611 | Chronic gout due to renal impairment, right knee, with tophus (tophi) |
M1A.3620 | Chronic gout due to renal impairment, left knee, without tophus (tophi) |
M1A.3621 | Chronic gout due to renal impairment, left knee, with tophus (tophi) |
M1A.3690 | Chronic gout due to renal impairment, unspecified knee, without tophus (tophi) |
M1A.3691 | Chronic gout due to renal impairment, unspecified knee, with tophus (tophi) |
M1A.3710 | Chronic gout due to renal impairment, right ankle and foot, without tophus (tophi) |
M1A.3711 | Chronic gout due to renal impairment, right ankle and foot, with tophus (tophi) |
M1A.3720 | Chronic gout due to renal impairment, left ankle and foot, without tophus (tophi) |
M1A.3721 | Chronic gout due to renal impairment, left ankle and foot, with tophus (tophi) |
M1A.3790 | Chronic gout due to renal impairment, unspecified ankle and foot, without tophus (tophi) |
M1A.3791 | Chronic gout due to renal impairment, unspecified ankle and foot, with tophus (tophi) |
M1A.38X0 | Chronic gout due to renal impairment, vertebrae, without tophus (tophi) |
M1A.38X1 | Chronic gout due to renal impairment, vertebrae, with tophus (tophi) |
M1A.39X0 | Chronic gout due to renal impairment, multiple sites, without tophus (tophi) |
M1A.39X1 | Chronic gout due to renal impairment, multiple sites, with tophus (tophi) |
M1A.40X0 | Other secondary chronic gout, unspecified site, without tophus (tophi) |
M1A.40X1 | Other secondary chronic gout, unspecified site, with tophus (tophi) |
M1A.4110 | Other secondary chronic gout, right shoulder, without tophus (tophi) |
M1A.4111 | Other secondary chronic gout, right shoulder, with tophus (tophi) |
M1A.4120 | Other secondary chronic gout, left shoulder, without tophus (tophi) |
M1A.4121 | Other secondary chronic gout, left shoulder, with tophus (tophi) |
M1A.4190 | Other secondary chronic gout, unspecified shoulder, without tophus (tophi) |
M1A.4191 | Other secondary chronic gout, unspecified shoulder, with tophus (tophi) |
M1A.4210 | Other secondary chronic gout, right elbow, without tophus (tophi) |
M1A.4211 | Other secondary chronic gout, right elbow, with tophus (tophi) |
M1A.4220 | Other secondary chronic gout, left elbow, without tophus (tophi) |
M1A.4221 | Other secondary chronic gout, left elbow, with tophus (tophi) |
M1A.4290 | Other secondary chronic gout, unspecified elbow, without tophus (tophi) |
M1A.4291 | Other secondary chronic gout, unspecified elbow, with tophus (tophi) |
M1A.4310 | Other secondary chronic gout, right wrist, without tophus (tophi) |
M1A.4311 | Other secondary chronic gout, right wrist, with tophus (tophi) |
M1A.4320 | Other secondary chronic gout, left wrist, without tophus (tophi) |
M1A.4321 | Other secondary chronic gout, left wrist, with tophus (tophi) |
M1A.4390 | Other secondary chronic gout, unspecified wrist, without tophus (tophi) |
M1A.4391 | Other secondary chronic gout, unspecified wrist, with tophus (tophi) |
M1A.4410 | Other secondary chronic gout, right hand, without tophus (tophi) |
M1A.4411 | Other secondary chronic gout, right hand, with tophus (tophi) |
M1A.4420 | Other secondary chronic gout, left hand, without tophus (tophi) |
M1A.4421 | Other secondary chronic gout, left hand, with tophus (tophi) |
M1A.4490 | Other secondary chronic gout, unspecified hand, without tophus (tophi) |
M1A.4491 | Other secondary chronic gout, unspecified hand, with tophus (tophi) |
M1A.4510 | Other secondary chronic gout, right hip, without tophus (tophi) |
M1A.4511 | Other secondary chronic gout, right hip, with tophus (tophi) |
M1A.4520 | Other secondary chronic gout, left hip, without tophus (tophi) |
M1A.4521 | Other secondary chronic gout, left hip, with tophus (tophi) |
M1A.4590 | Other secondary chronic gout, unspecified hip, without tophus (tophi) |
M1A.4591 | Other secondary chronic gout, unspecified hip, with tophus (tophi) |
M1A.4610 | Other secondary chronic gout, right knee, without tophus (tophi) |
M1A.4611 | Other secondary chronic gout, right knee, with tophus (tophi) |
M1A.4620 | Other secondary chronic gout, left knee, without tophus (tophi) |
M1A.4621 | Other secondary chronic gout, left knee, with tophus (tophi) |
M1A.4690 | Other secondary chronic gout, unspecified knee, without tophus (tophi) |
M1A.4691 | Other secondary chronic gout, unspecified knee, with tophus (tophi) |
M1A.4710 | Other secondary chronic gout, right ankle and foot, without tophus (tophi) |
M1A.4711 | Other secondary chronic gout, right ankle and foot, with tophus (tophi) |
M1A.4720 | Other secondary chronic gout, left ankle and foot, without tophus (tophi) |
M1A.4721 | Other secondary chronic gout, left ankle and foot, with tophus (tophi) |
M1A.4790 | Other secondary chronic gout, unspecified ankle and foot, without tophus (tophi) |
M1A.4791 | Other secondary chronic gout, unspecified ankle and foot, with tophus (tophi) |
M1A.48X0 | Other secondary chronic gout, vertebrae, without tophus (tophi) |
M1A.48X1 | Other secondary chronic gout, vertebrae, with tophus (tophi) |
M1A.49X0 | Other secondary chronic gout, multiple sites, without tophus (tophi) |
M1A.49X1 | Other secondary chronic gout, multiple sites, with tophus (tophi) |
M1A.9XX0 | Chronic gout, unspecified, without tophus (tophi) |
M1A.9XX1 | Chronic gout, unspecified, with tophus (tophi) |
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