Is ICD-10-CM code M11 billable?

No, M11 (Other crystal arthropathies) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code M11 belong to?

M11 belongs to Chapter 13 of the ICD-10-CM tabular list: M00–M99 (Diseases of the Musculoskeletal System and Connective Tissue).

M11

Non-Billable

ChapterM00–M99

Rankcategory

Description

Other crystal arthropathies

About ICD-10-CM code M11

The ICD-10-CM tabular list places Other crystal arthropathies at code M11, inside M00-M99 Diseases of the Musculoskeletal System and Connective Tissue, within Inflammatory polyarthropathies (M05-M14). You should not submit this code on claims since it lacks billing specificity, use a child code.

Use a more specific code (1 billable, 4 non-billable)

M11.0Hydroxyapatite deposition diseasehas subcodes M11.1Familial chondrocalcinosishas subcodes M11.2Other chondrocalcinosishas subcodes M11.8Other specified crystal arthropathieshas subcodes M11.9Crystal arthropathy, unspecified

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 13: Diseases of the Musculoskeletal System and Connective Tissue (M00-M99).

CH13 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

arthropathic psoriasis (L40.5-)
certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
compartment syndrome (traumatic) (T79.A-)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Clinical Hierarchy

BillableHas subcodes

CH13Diseases of the musculoskeletal system and connective tissue (M00-M99)

M05-M14Inflammatory polyarthropathies (M05-M14)

M11Other crystal arthropathiesNot billable

M11.0Hydroxyapatite deposition diseaseSubcodes

M11.1Familial chondrocalcinosisSubcodes

M11.2Other chondrocalcinosisSubcodes

M11.8Other specified crystal arthropathiesSubcodes

M11.9Crystal arthropathy, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to M11:

chapterCH13

Diseases of the musculoskeletal system and connective tissue (M00-M99)

View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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