Disorders of purine and pyrimidine metabolism Excludes calculus of kidney N200

combined immunodeficiency disorders ( D81.- ) gout ( M10.- )

orotaciduric anaemia ( D53.0 ) xeroderma pigmentosum ( Q82.1 )

E79.0 Hyperuricaemia without signs of inflammatory arthritis and tophaceous disease

Asymptomatic hyperuricaemia

E79.1 Lesch-Nyhan syndrome

E79.8 Other disorders of purine and pyrimidine metabolism

Hereditary xanthinuria E79.9 Disorder of purine and pyrimidine metabolism, unspecified

_ Disorders of porphyrin and bilirubin metabolism

Includes: defects of catalase and peroxidase

E80.0 Hereditary erythropoietic porphyria

Congenital erythropoietic porphyria Erythropoietic protoporphyria

E80.1 Porphyria cutanea tarda

E80.2 Other porphyria

Hereditary coproporphyria Porphyria:

■ acute intermittent (hepatic)

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

E80.3 Defects of catalase and peroxidase

Acatalasia [Takahara]

E80.4 Gilbert's syndrome

E80.5 Crigler-Najjar syndrome

E80.6 Other disorders of bilirubin metabolism

Dubin-Johnson syndrome Rotor's syndrome

E80.7 Disorder of bilirubin metabolism, unspecified

Disorders of mineral metabolism Excludes: dietary mineral deficiency ( E58-E61 ) parathyroid disorders ( E20-E21 ) vitamin D deficiency ( E55.- )

E83.0 Disorders of copper metabolism

Menkes' (kinky hair)(steely hair) disease Wilson's disease

E83.1 Disorders of iron metabolism

Haemochromatosis

Excludes: anaemia:

E83.2 Disorders of zinc metabolism

Acid phosphatase deficiency Familial hypophosphataemia Hypophosphatasia Vitamin-D-resistant:

■ osteomalacia

Excludes: adult osteomalacia ( M83.- ) osteoporosis ( M80-M81 )

E83.4 Disorders of magnesium metabolism

Hypermagnesaemia Hypomagnesaemia

E83.5 Disorders of calcium metabolism

Familial hypocalciuric hypercalcaemia Idiopathic hypercalciuria

Excludes: chondrocalcinosis ( M11.1-M11.2 )

hyperparathyroidism ( E21.0-E21.3 )

E83.8 Other disorders of mineral metabolism E83.9 Disorder of mineral metabolism, unspecified

_ Cystic fibrosis

Includes: mucoviscidosis E84.0 Cystic fibrosis with pulmonary manifestations E84.1 Cystic fibrosis with intestinal manifestations

Excludes: meconium obstruction in cases where cystic fibrosis is known not to be present ( P76.0 )

E84.8 Cystic fibrosis with other manifestations

Cystic fibrosis with combined manifestations E84.9 Cystic fibrosis, unspecified

_ Amyloidosis

Excludes: Alzheimer's disease ( G30.- )

E85.0 Non-neuropathic heredofamilial amyloidosis

Familial Mediterranean fever Hereditary amyloid nephropathy

E85.1 Neuropathic heredofamilial amyloidosis

Amyloid polyneuropathy (Portuguese) E85.2 Heredofamilial amyloidosis, unspecified E85.3 Secondary systemic amyloidosis

Haemodialysis-associated amyloidosis

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Arthritis Joint Pain

Arthritis Joint Pain

Arthritis is a general term which is commonly associated with a number of painful conditions affecting the joints and bones. The term arthritis literally translates to joint inflammation.

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