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ICD-10-CM · FY 2026 APRIL UPDATE

M1A.4

Other secondary chronic gout

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
M1A.40Other secondary chronic gout, unspecified siteCategory
M1A.40X0Other secondary chronic gout, unspecified site, without tophus (tophi)Billable
M1A.40X1Other secondary chronic gout, unspecified site, with tophus (tophi)Billable
M1A.41Other secondary chronic gout, shoulderCategory
M1A.411Other secondary chronic gout, right shoulderCategory
M1A.4110Other secondary chronic gout, right shoulder, without tophus (tophi)Billable
M1A.4111Other secondary chronic gout, right shoulder, with tophus (tophi)Billable
M1A.412Other secondary chronic gout, left shoulderCategory
M1A.4120Other secondary chronic gout, left shoulder, without tophus (tophi)Billable
M1A.4121Other secondary chronic gout, left shoulder, with tophus (tophi)Billable
M1A.419Other secondary chronic gout, unspecified shoulderCategory
M1A.4190Other secondary chronic gout, unspecified shoulder, without tophus (tophi)Billable
M1A.4191Other secondary chronic gout, unspecified shoulder, with tophus (tophi)Billable
M1A.42Other secondary chronic gout, elbowCategory
M1A.421Other secondary chronic gout, right elbowCategory
M1A.4210Other secondary chronic gout, right elbow, without tophus (tophi)Billable
M1A.4211Other secondary chronic gout, right elbow, with tophus (tophi)Billable
M1A.422Other secondary chronic gout, left elbowCategory
M1A.4220Other secondary chronic gout, left elbow, without tophus (tophi)Billable
M1A.4221Other secondary chronic gout, left elbow, with tophus (tophi)Billable
M1A.429Other secondary chronic gout, unspecified elbowCategory
M1A.4290Other secondary chronic gout, unspecified elbow, without tophus (tophi)Billable
M1A.4291Other secondary chronic gout, unspecified elbow, with tophus (tophi)Billable
M1A.43Other secondary chronic gout, wristCategory
M1A.431Other secondary chronic gout, right wristCategory
M1A.4310Other secondary chronic gout, right wrist, without tophus (tophi)Billable
M1A.4311Other secondary chronic gout, right wrist, with tophus (tophi)Billable
M1A.432Other secondary chronic gout, left wristCategory
M1A.4320Other secondary chronic gout, left wrist, without tophus (tophi)Billable
M1A.4321Other secondary chronic gout, left wrist, with tophus (tophi)Billable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.