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M1A.2110 vs M1A.2120

M1A.2110 (Drug-induced chronic gout, right shoulder, without tophus (tophi)) compared with M1A.2120 (Drug-induced chronic gout, left shoulder, without tophus (tophi)), from the official CMS tabular data. M1A.2110 and M1A.2120 code the same condition on opposite sides. MedCoder-derived

Relationship

Review

Laterality relationship

M1A.2110
Right
Drug-induced chronic gout, right shoulder, without tophus (tophi)
M1A.2120
Left
Drug-induced chronic gout, left shoulder, without tophus (tophi)

Same condition; these differ only in which side is documented.

These codes share a category and title and differ only in the side affected. The documentation decides which applies, and a bilateral code is reported only where the code set provides one.

Source: ICD-10-CM tabular list (laterality variant derived from the code title)

Can these codes be reported together?

Same condition, opposite side. M1A.2110 and M1A.2120 name the same condition on opposite sides of the body.

Same category and title, differing only in which side is affected — the documentation decides which one applies, and a bilateral code is reported only where the code set provides one.

Side by side

M1A.2110Drug-induced chronic gout, right shoulder, without tophus (tophi)M1A.2120Drug-induced chronic gout, left shoulder, without tophus (tophi)
Billing statusBillableBillable
ClassificationM00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)M00-M99 — Diseases of the Musculoskeletal System and Connective Tissue (M00-M99)
DefinitionDrug-induced chronic gout, right shoulder, without tophus (tophi) is a billable ICD-10-CM diagnosis code (M1A.2110).Drug-induced chronic gout, left shoulder, without tophus (tophi) is a billable ICD-10-CM diagnosis code (M1A.2120).
7th characterThe appropriate 7th character is to be added to each code from category M1AThe appropriate 7th character is to be added to each code from category M1A
Use additional code
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
code to identify:
Autonomic neuropathy in diseases classified elsewhere (G99.0)
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
code to identify:
Autonomic neuropathy in diseases classified elsewhere (G99.0)

Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources