M1A.00X1

Billable

Idiopathic chronic gout, unspecified site, with tophus

Idiopathic chronic gout, unspecified site, with tophus (tophi)

Status

Billable / Specific

Parent Code

M1A.00

Cross-references

SNOMED CT

24004200473877009

UMLS

C2894031
Related Codes(1)
M1A.00X0

Idiopathic chronic gout, unspecified site, without tophus

Billable

How M1A.00X1 differs from sibling codes

All children of M1A.00 share the same parent. The wording below is what mechanically separates each sibling from M1A.00X1.

Also Known As / Clinical Terms(6)

SNOMED CT

UMLS

Clinical Terms

  • Tophus
  • Chronic tophaceous gout

Common questions

What is the ICD-10-CM code for Idiopathic chronic gout, unspecified site, with tophus?

Idiopathic chronic gout, unspecified site, with tophus is coded as M1A.00X1 in ICD-10-CM.

What is ICD-10 code M1A.00X1?

M1A.00X1 is the ICD-10-CM identifier for Idiopathic chronic gout, unspecified site, with tophus. It is included in the official 2025 release of ICD-10-CM published by CMS and NCHS.

Is M1A.00X1 a billable code?

Yes, M1A.00X1 is a billable / specific ICD-10-CM code that can be used to indicate a diagnosis on a medical claim.

What is the parent code of M1A.00X1?

M1A.00X1 sits under M1A.00 (Idiopathic chronic gout, unspecified site) in the ICD-10-CM hierarchy.

What chapter does M1A.00X1 belong to?

M1A.00X1 is in Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue.

What are the synonyms for Idiopathic chronic gout, unspecified site, with tophus?

In clinical text, idiopathic chronic gout, unspecified site, with tophus is also written as: Chronic tophaceous gout, Tophus, Idiopathic chronic gout, unspecified site, with tophus (tophi). Sourced from SNOMED CT, UMLS Metathesaurus, and clinical-terms enrichment.

Why does M1A.00X1 map to multiple SNOMED CT concepts?

ICD-10-CM is a billing classification with broader categories than SNOMED CT’s clinical terminology. M1A.00X1 captures the billing-level concept; SNOMED CT splits it into 2 clinical concepts: 240042004, 73877009.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.