M05 Seropositive rheumatoid arthritis

Modifier-Hint

[See site code at the beginning of this chapter]

Excl.:

rheumatic fever ( I00)

rheumatoid arthritis (of):

• juvenile (M08.-)
• spine (M45)

M05.0 Felty syndrome

Incl.:

Rheumatoid arthritis with splenoadenomegaly and leukopenia

M05.1† Rheumatoid lung disease (J99.0*)

M05.2 Rheumatoid vasculitis

M05.3† Rheumatoid arthritis with involvement of other organs and systems

Incl.:

Rheumatoid:

• carditis (I52.8*)
• endocarditis (I39.-*)
• myocarditis (I41.8*)
• myopathy (G73.7*)
• pericarditis (I32.8*)
• polyneuropathy (G63.6*)

M05.8 Other seropositive rheumatoid arthritis

M05.9 Seropositive rheumatoid arthritis, unspecified

M06 Other rheumatoid arthritis

Modifier-Hint

[See site code at the beginning of this chapter]

M06.0 Seronegative rheumatoid arthritis

M06.1 Adult-onset Still disease

Excl.:

Still disease NOS ( M08.2)

M06.2 Rheumatoid bursitis

M06.3 Rheumatoid nodule

M06.4 Inflammatory polyarthropathy

Excl.:

polyarthritis NOS ( M13.0)

M06.8 Other specified rheumatoid arthritis

M06.9 Rheumatoid arthritis, unspecified

M07* Psoriatic and enteropathic arthropathies

Modifier-Hint

[See site code at the beginning of this chapter]

Excl.:

juvenile psoriatic and enteropathic arthropathies ( M09.-*)

M07.0* Distal interphalangeal psoriatic arthropathy (L40.5†)

M07.1* Arthritis mutilans (L40.5†)

M07.2* Psoriatic spondylitis (L40.5†)

M07.3* Other psoriatic arthropathies (L40.5†)

M07.4* Arthropathy in Crohn disease [regional enteritis] (K50.-†)

M07.5* Arthropathy in ulcerative colitis (K51.-†)

M07.6* Other enteropathic arthropathies

M08 Juvenile arthritis

NCCS

DCS.XIII.1

Modifier-Hint

[See site code at the beginning of this chapter]

Incl.:

arthritis in children, with onset before 16th birthday and lasting longer than 3 months

Excl.:

Felty syndrome ( M05.0)

juvenile dermatomyositis ( M33.0)

M08.0 Juvenile rheumatoid arthritis

Incl.:

Juvenile rheumatoid arthritis with or without rheumatoid factor

M08.1 Juvenile ankylosing spondylitis

Excl.:

ankylosing spondylitis in adults ( M45)

M08.2 Juvenile arthritis with systemic onset

Incl.:

Still disease NOS

Excl.:

adult-onset Still disease ( M06.1)

M08.3 Juvenile polyarthritis (seronegative)

Incl.:

Chronic juvenile polyarthritis

M08.4 Pauciarticular juvenile arthritis

M08.8 Other juvenile arthritis

M08.9 Juvenile arthritis, unspecified

M09* Juvenile arthritis in diseases classified elsewhere

Modifier-Hint

[See site code at the beginning of this chapter]

Excl.:

arthropathy in Whipple disease ( M14.8*)

M09.0* Juvenile arthritis in psoriasis (L40.5†)

M09.1* Juvenile arthritis in Crohn disease [regional enteritis] (K50.-†)

M09.2* Juvenile arthritis in ulcerative colitis (K51.-†)

M09.8* Juvenile arthritis in other diseases classified elsewhere

M10 Gout

Modifier-Hint

[See site code at the beginning of this chapter]

M10.0 Idiopathic gout

NCCS

DCS.XIV.1

Incl.:

Gouty bursitis

Primary gout

Urate tophus of heart† ( I43.8*)

M10.1 Lead-induced gout

M10.2 Drug-induced gout

Coding-Hint

Use additional external cause code (Chapter XX), if desired, to identify drug.

M10.3 Gout due to impairment of renal function

Coding-Hint

Use additional code, if desired, to identify impairment of kidney disease ( N17-N19)

M10.4 Other secondary gout

M10.9 Gout, unspecified

M11 Other crystal arthropathies

Modifier-Hint

[See site code at the beginning of this chapter]

M11.0 Hydroxyapatite deposition disease

M11.1 Familial chondrocalcinosis

M11.2 Other chondrocalcinosis

Incl.:

Chondrocalcinosis NOS

M11.8 Other specified crystal arthropathies

M11.9 Crystal arthropathy, unspecified

M12 Other specific arthropathies

Modifier-Hint

[See site code at the beginning of this chapter]

Excl.:

arthropathy NOS ( M13.9)

arthrosis ( M15-M19)

cricoarytenoid arthropathy ( J38.7)

M12.0 Chronic postrheumatic arthropathy [Jaccoud]

M12.1 Kaschin-Beck disease

M12.2 Villonodular synovitis (pigmented)

M12.3 Palindromic rheumatism

M12.4 Intermittent hydrarthrosis

M12.5 Traumatic arthropathy

Excl.:

post-traumatic arthrosis (of):

• NOS (M19.1)
• first carpometacarpal joint (M18.2-M18.3)
• hip (M16.4-M16.5)
• knee (M17.2-M17.3)
• other single joints (M19.1)

M12.8 Other specific arthropathies, not elsewhere classified

Incl.:

Transient arthropathy

M13 Other arthritis

Modifier-Hint

[See site code at the beginning of this chapter]

Excl.:

arthrosis ( M15-M19)

M13.0 Polyarthritis, unspecified

M13.1 Monoarthritis, not elsewhere classified

M13.8 Other specified arthritis

Incl.:

Allergic arthritis

M13.9 Arthritis, unspecified

Incl.:

Arthropathy NOS

M14* Arthropathies in other diseases classified elsewhere

Modifier-Hint

Excl.:

arthropathy in:

• haematological disorders (M36.2-M36.3*)
• hypersensitivity reactions (M36.4*)
• neoplastic disease (M36.1*)

neuropathic spondylopathy ( M49.4*)

psoriatic and enteropathic arthropathies ( M07.-*)

psoriatic and enteropathic arthropathies

• juvenile (M09.-*)

M14.0* Gouty arthropathy due to enzyme defects and other inherited disorders

Incl.:

Gouty arthropathy in:

• Lesch-Nyhan syndrome (E79.1†)
• sickle-cell disorders (D57.-†)

M14.1* Crystal arthropathy in other metabolic disorders

Incl.:

Crystal arthropathy in hyperparathyroidism ( E21.-†)

M14.2* Diabetic arthropathy (E10-E14 with common fourth character .6†)

Excl.:

diabetic neuropathic arthropathy ( M14.6*)

M14.3* Lipoid dermatoarthritis (E78.8†)

M14.4* Arthropathy in amyloidosis (E85.-†)

M14.5* Arthropathies in other endocrine, nutritional and metabolic disorders

Incl.:

Arthropathy in:

• acromegaly and pituitary gigantism (E22.0†)
• haemochromatosis (E83.1†)
• hypothyroidism (E00-E03†)
• thyrotoxicosis [hyperthyroidism] (E05.-†)

M14.6* Neuropathic arthropathy

Incl.:

Charcot or tabetic arthropathy ( A52.1†)

Diabetic neuropathic arthropathy ( E10-E14 with common fourth character .6†)

M14.8* Arthropathies in other specified diseases classified elsewhere

Incl.:

Arthropathy in:

• erythema:
  • —  multiforme (L51.-†)
  • —  nodosum (L52†)
• sarcoidosis (D86.8†)
• Whipple disease (K90.8†)