ICD-10 Code for Arthropathy
The ICD-10-CM code for arthropathy is M12.9 — Arthropathy, unspecified. This is the code the Alphabetic Index gives for arthropathy with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
BillableUnspecified
M12.9 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which arthropathy code should you use?
The Alphabetic Index lists 139 codes under Arthropathy. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| cricoarytenoid | J38.7 | Other diseases of larynx | |
| distal interphalangeal, psoriatic | L40.51 | Distal interphalangeal psoriatic arthropathy | |
| enteropathic | M07.60 | Enteropathic arthropathies, unspecified site | |
| facet joint | M47.819 | Spondylosis without myelopathy or radiculopathy, site unspecified | |
| following intestinal bypass | M02.00 | Arthropathy following intestinal bypass, unspecified site | |
| hemophilic NEC | D66 | Hereditary factor VIII deficiency | |
| mutilans | L40.52 | Psoriatic arthritis mutilans | |
| neuropathic | M14.60 | Charcot's joint, unspecified site | |
| postdysenteric | M02.10 | Postdysenteric arthropathy, unspecified site | |
| postimmunization | M02.20 | Postimmunization arthropathy, unspecified site | |
| postinfectious NEC | B99 | Other and unspecified infectious diseases | not billable |
| postrheumatic, chronic | M12.00 | Chronic postrheumatic arthropathy [Jaccoud], unspecified site | |
| psoriatic NEC | L40.59 | Other psoriatic arthropathy | |
| reactive | M02.9 | Reactive arthropathy, unspecified | |
| specified form NEC | M12.80 | Other specific arthropathies, not elsewhere classified, unspecified site | |
| syringomyelic | G95.0 | Syringomyelia and syringobulbia | |
| tabes dorsalis | A52.16 | Charcot's arthropathy (tabetic) | |
| tabetic | A52.16 | Charcot's arthropathy (tabetic) | |
| temporomandibular joint | M26.65 | Arthropathy of temporomandibular joint | not billable |
| traumatic | M12.50 | Traumatic arthropathy, unspecified site |
Arthropathy Charcot's
| syringomyelic | G95.0 | Syringomyelia and syringobulbia |
Arthropathy enteropathic
| ankle | M07.67 | Enteropathic arthropathies, ankle and foot | not billable |
| elbow | M07.62 | Enteropathic arthropathies, elbow | not billable |
| foot joint | M07.67 | Enteropathic arthropathies, ankle and foot | not billable |
| hand joint | M07.64 | Enteropathic arthropathies, hand | not billable |
| hip | M07.65 | Enteropathic arthropathies, hip | not billable |
| knee | M07.66 | Enteropathic arthropathies, knee | not billable |
| multiple site | M07.69 | Enteropathic arthropathies, multiple sites | |
| shoulder | M07.61 | Enteropathic arthropathies, shoulder | not billable |
| vertebra | M07.68 | Enteropathic arthropathies, vertebrae | |
| wrist | M07.63 | Enteropathic arthropathies, wrist | not billable |
Arthropathy following intestinal bypass
| ankle | M02.07 | Arthropathy following intestinal bypass, ankle and foot | not billable |
| elbow | M02.02 | Arthropathy following intestinal bypass, elbow | not billable |
| foot joint | M02.07 | Arthropathy following intestinal bypass, ankle and foot | not billable |
| hand joint | M02.04 | Arthropathy following intestinal bypass, hand | not billable |
| hip | M02.05 | Arthropathy following intestinal bypass, hip | not billable |
| knee | M02.06 | Arthropathy following intestinal bypass, knee | not billable |
| multiple site | M02.09 | Arthropathy following intestinal bypass, multiple sites | |
| shoulder | M02.01 | Arthropathy following intestinal bypass, shoulder | not billable |
| vertebra | M02.08 | Arthropathy following intestinal bypass, vertebrae | |
| wrist | M02.03 | Arthropathy following intestinal bypass, wrist | not billable |
Arthropathy in
| acromegaly | E22.0 | Acromegaly and pituitary gigantism | |
| amyloidosis | E85.4 | Organ-limited amyloidosis | |
| blood disorder NOS | D75.9 | Disease of blood and blood-forming organs, unspecified | |
| endocrine disease NOS | E34.9 | Endocrine disorder, unspecified | |
| hemochromatosis | E83.118 | Other hemochromatosis | |
| hemoglobinopathy NEC | D58.2 | Other hemoglobinopathies | |
| hemophilia NEC | D66 | Hereditary factor VIII deficiency | |
| Henoch-Schönlein purpura | D69.0 | Allergic purpura | |
| hyperthyroidism | E05.90 | Thyrotoxicosis, unspecified without thyrotoxic crisis or storm | |
| hypothyroidism | E03.9 | Hypothyroidism, unspecified | |
| infective endocarditis | I33.0 | Acute and subacute infective endocarditis | |
| leukemia NEC | C95.9 | Leukemia, unspecified | not billable |
| malignant histiocytosis | C96.A | Histiocytic sarcoma | |
| metabolic disease NOS | E88.9 | Metabolic disorder, unspecified | |
| multiple myeloma | C90.0 | Multiple myeloma | not billable |
| neoplastic disease NOS | D49.9 | Neoplasm of unspecified behavior of unspecified site | |
| nutritional deficiency | E63.9 | Nutritional deficiency, unspecified | |
| psoriasis NOS | L40.50 | Arthropathic psoriasis, unspecified | |
| sarcoidosis | D86.86 | Sarcoid arthropathy | |
| syphilis | A52.77 | Syphilis of bone and joint | |
| thyrotoxicosis | E05.90 | Thyrotoxicosis, unspecified without thyrotoxic crisis or storm | |
| ulcerative colitis NEC | K51.90 | Ulcerative colitis, unspecified, without complications | |
| viral hepatitisNEC | B19.9 | Unspecified viral hepatitis without hepatic coma | |
| Whipple's disease | K90.81 | Whipple's disease |
Arthropathy juvenile
| psoriatic | L40.54 | Psoriatic juvenile arthropathy |
Arthropathy neuropathic
| ankle | M14.67 | Charcot's joint, ankle and foot | not billable |
| elbow | M14.62 | Charcot's joint, elbow | not billable |
| foot joint | M14.67 | Charcot's joint, ankle and foot | not billable |
| hand joint | M14.64 | Charcot's joint, hand | not billable |
| hip | M14.65 | Charcot's joint, hip | not billable |
| knee | M14.66 | Charcot's joint, knee | not billable |
| multiple site | M14.69 | Charcot's joint, multiple sites | |
| nonsyphilitic NEC | G98.0 | Neurogenic arthritis, not elsewhere classified | |
| shoulder | M14.61 | Charcot's joint, shoulder | not billable |
| syringomyelic | G95.0 | Syringomyelia and syringobulbia | |
| vertebra | M14.68 | Charcot's joint, vertebrae | |
| wrist | M14.63 | Charcot's joint, wrist | not billable |
Arthropathy postdysenteric
| ankle | M02.17 | Postdysenteric arthropathy, ankle and foot | not billable |
| elbow | M02.12 | Postdysenteric arthropathy, elbow | not billable |
| foot joint | M02.17 | Postdysenteric arthropathy, ankle and foot | not billable |
| hand joint | M02.14 | Postdysenteric arthropathy, hand | not billable |
| hip | M02.15 | Postdysenteric arthropathy, hip | not billable |
| knee | M02.16 | Postdysenteric arthropathy, knee | not billable |
| multiple site | M02.19 | Postdysenteric arthropathy, multiple sites | |
| shoulder | M02.11 | Postdysenteric arthropathy, shoulder | not billable |
| vertebra | M02.18 | Postdysenteric arthropathy, vertebrae | |
| wrist | M02.13 | Postdysenteric arthropathy, wrist | not billable |
Arthropathy postimmunization
| ankle | M02.27 | Postimmunization arthropathy, ankle and foot | not billable |
| elbow | M02.22 | Postimmunization arthropathy, elbow | not billable |
| foot joint | M02.27 | Postimmunization arthropathy, ankle and foot | not billable |
| hand joint | M02.24 | Postimmunization arthropathy, hand | not billable |
| hip | M02.25 | Postimmunization arthropathy, hip | not billable |
| knee | M02.26 | Postimmunization arthropathy, knee | not billable |
| multiple site | M02.29 | Postimmunization arthropathy, multiple sites | |
| shoulder | M02.21 | Postimmunization arthropathy, shoulder | not billable |
| vertebra | M02.28 | Postimmunization arthropathy, vertebrae | |
| wrist | M02.23 | Postimmunization arthropathy, wrist | not billable |
Arthropathy postrheumatic, chronic
| ankle | M12.07 | Chronic postrheumatic arthropathy [Jaccoud], ankle and foot | not billable |
| elbow | M12.02 | Chronic postrheumatic arthropathy [Jaccoud], elbow | not billable |
| foot joint | M12.07 | Chronic postrheumatic arthropathy [Jaccoud], ankle and foot | not billable |
| hand joint | M12.04 | Chronic postrheumatic arthropathy [Jaccoud], hand | not billable |
| hip | M12.05 | Chronic postrheumatic arthropathy [Jaccoud], hip | not billable |
| knee | M12.06 | Chronic postrheumatic arthropathy [Jaccoud], knee | not billable |
| multiple site | M12.09 | Chronic postrheumatic arthropathy [Jaccoud], multiple sites | |
| shoulder | M12.01 | Chronic postrheumatic arthropathy [Jaccoud], shoulder | not billable |
| specified joint NEC | M12.08 | Chronic postrheumatic arthropathy [Jaccoud], other specified site | |
| vertebrae | M12.08 | Chronic postrheumatic arthropathy [Jaccoud], other specified site | |
| wrist | M12.03 | Chronic postrheumatic arthropathy [Jaccoud], wrist | not billable |
Arthropathy psoriatic NEC
| interphalangeal, distal | L40.51 | Distal interphalangeal psoriatic arthropathy |
Arthropathy reactive
| specified type NEC | M02.80 | Other reactive arthropathies, unspecified site |
Arthropathy specified form NEC
| ankle | M12.87 | Other specific arthropathies, not elsewhere classified, ankle and foot | not billable |
| elbow | M12.82 | Other specific arthropathies, not elsewhere classified, elbow | not billable |
| foot joint | M12.87 | Other specific arthropathies, not elsewhere classified, ankle and foot | not billable |
| hand joint | M12.84 | Other specific arthropathies, not elsewhere classified, hand | not billable |
| hip | M12.85 | Other specific arthropathies, not elsewhere classified, hip | not billable |
| knee | M12.86 | Other specific arthropathies, not elsewhere classified, knee | not billable |
| multiple site | M12.89 | Other specific arthropathies, not elsewhere classified, multiple sites | |
| shoulder | M12.81 | Other specific arthropathies, not elsewhere classified, shoulder | not billable |
| specified joint NEC | M12.88 | Other specific arthropathies, not elsewhere classified, other specified site |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources