CHAPTER XI Diseases of the digestive system (KOO-K93) Diseases of oral cavity, salivary glands and jaws (KOO-K14) lijell Diseases of pulp and periapical tissues 1m Dentofacial anomalies [including malocclusion] Excludes: hemifacial atrophy or hypertrophy (Q67.4) K07 .0 Major anomalies of jaw size Hyperplasia, hypoplasia: • mandibular • maxillary Macrognathism (mandibular)(maxillary) Micrognathism (mandibular)( maxillary) Excludes: acromegaly (E22.0) Robin's syndrome (087.07) K07 .1 Anomalies of jaw-cranial base relationship Asymmetry of jaw Prognathism (mandibular)( maxillary) Retrognathism (mandibular)(maxillary) K07.2 Anomalies of dental arch relationship Cross bite (anterior)(posterior) Dis to-occlusion Mesio-occlusion Midline deviation of dental arch Openbite (anterior )(posterior) Overbite (excessive): • deep • horizontal • vertical Overjet Posterior lingual occlusion of mandibular teeth 289 ICO-N A K07.3 Anomalies of tooth position Crowding Diastema Displacement of tooth or teeth Rotation Spacing, abnormal Transposition Impacted or embedded teeth with abnormal position of such teeth or adjacent teeth K07.4 Malocclusion, unspecified K07.5 Dentofacial functional abnormalities Abnormal jaw closure Malocclusion due to: • abnormal swallowing • mouth breathing • tongue, lip or finger habits K07.6 Temporomandibular joint disorders Costen's complex or syndrome Derangement of temporomandibular joint Snapping jaw Temporomandibular joint-pain-dysfunction syndrome Excludes: current temporomandibular joint: • dislocation (S03.0) • strain (S03.4) K07.8 Other dentofacial anomalies K07.9 Dentofacial anomaly, unspecified 1m Stomatitis and related lesions K12.0 Recurrent oral aphthae Aphthous stomatitis (major)(minor) Bednar's aphthae Periadenitis mucosa necrotica recurrens Recurrent aphthous ulcer Stomatitis herpetiformis 290 DISEASES OF THE DIGESTIVE SYSTEM Diseases of oesophagus, stomach and duodenum (K20-K31) Ill Oesophagitis Abscess of oesophagus Oesophagitis: • NOS • chemical • peptic Use additional external cause code (Chapter XX), if desired, to identify cause. Excludes: erosion of oesophagus (K22.1) 1m Other diseases of oesophagus K22.1 Ulcer of oesophagus Erosion of oesophagus Ulcer of oesophagus: • NOS • due to ingestion of: • chemicals • drugs and medicaments • fungal • peptic Use additional external cause code (Chapter XX), if desired, to identify cause. The following fourth-character subdivisions are for use with categories K25- K28: K2x.O Acute with haemorrhage K2x.1 Acute with perforation K2x.2 Acute with both haemorrhage and perforation K2x.3 Acute without haemorrhage or perforation K2x.4 Chronic or unspecified with haemorrhage K2x.5 Chronic or unspecified with perforation K2x.6 Chronic or unspecified with both haemorrhage and perforation K2x. 7 Chronic without haemorrhage or perforation 291 ICD-NA K2x.9 Unspecified as acute or chronic, without haemorrhage or perforation Gastric ulcer [See pages 291-292 for subdivisions] Includes: erosion (acute) of stomach ulcer (peptic): • pylorus • stomach Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced. Duodenal ulcer [See pages 291-292 for subdivisions] Includes: erosion (acute) of duodenum ulcer (peptic): • duodenal • postpyloric Use additional external cause code (Chapter XX), if desired, to identify drug, if drug-induced. Excludes: peptic ulcer NOS (K27.-) B Peptic ulcer, site unspecified [See pages 291-292 for subdivisions] Includes: gastroduodenal ulcer NOS peptic ulcer NOS Gastrojejunal ulcer [See pages 291-292 for subdivisions] Includes: ulcer (peptic) or erosion: • anastomotic • gastrocolic • gastrointestinal • gastrojejunal • jejunal • marginal • stomal B Gastritis and duodenitis Excludes: Zollinger-Ellison syndrome (E16.8) 292 DISEASES OF THE DIGESTIVE SYSTEM K29.2 Alcoholic gastritis K29.8 Duodenitis K29.9 Gastroduodenitis, unspecified Ill Dyspepsia Indigestion Excludes: dyspepsia: • nervous (F45.3) • neurotic (F45.3) • psychogenic (F45.3) Ill Other diseases of stomach and duodenum Excludes: gastrointestinal haemorrhage (K92.0-K92.2) K31.3 Pylorospasm, not elsewhere classified Excludes: pylorospasm: • neurotic (F45.3) • psychogenic (F45.3) Noninfective enteritis and colitis (K50-K52) Includes: noninfective inflammatory bowel disease Crohn's disease [regional enteritis] Includes: granulomatous enteritis IIIII Ulcerative colitis Other diseases of intestines (K55-K63) ml Irritable bowel syndrome Includes: irritable colon K58.0 Irritable bowel syndrome with diarrhoea K58.9 Irritable bowel syndrome without diarrhoea B Other functional intestinal disorders Excludes: intestinal malabsorption (K90.-) psychogenic intestinal disorders (F45.3) 293 ICD·NA K59.0 Constipation K59.1 Functional diarrhoea K59.2 Neurogenic bowel, not elsewhere classified K59.4 Anal spasm Proctalgia fugax Diseases of peritoneum (K65-K67) B Peritonitis Diseases of liver (K70-K77) Excludes: haemochromatosis (E83.10) Reye's syndrome (G93.7) viral hepatitis (B15-B19) Wilson's disease (E83.01) El Alcoholic liver disease K70.0 Alcoholic fatty liver K70.1 Alcoholic hepatitis K70.2 Alcoholic fibrosis and sclerosis of liver K70.3 Alcoholic cirrhosis of liver K70.4 Alcoholic hepatic failure Alcoholic hepatic failure: • NOS • acute • chronic • subacute • with or without hepatic coma K70.9 Alcoholic liver disease, unspecified B Toxic liver disease Includes: drug-induced: • idiosyncratic (unpredictable) liver disease • toxic (predictable) liver disease 294 DISEASES OF THE DIGESTIVE SYSTEM Use additional external cause code (Chapter XX), if desired, to identify toxic agent. Excludes: alcoholic liver disease (K70.-) K71.0 Toxic liver disease with cholestasis Cholestasis with hepatocyte injury "Pure" cholestasis K71.1 Toxic liver disease with hepatic necrosis Hepatic failure (acute)(chronic) due to drugs IIIII Hepatic failure, not elsewhere classified Includes: hepatic: • coma NOS • encephalopathy NOS hepatitis: • acute l • fulminant NEC, with hepatic failure • malignant liver (cell) necrosis with hepatic failure yellow liver atrophy or dystrophy Excludes: alcoholic hepatic failure (K70.4) viral hepatitis (B15-B19) with toxic liver disease (K71.1) Disorders of gallbladder, biliary tract and pancreas (K80-K87) 1m Acute pancreatitis Abscess of pancreas Necrosis of pancreas: • acute • infective Pancreatitis: • NOS • acute (recurrent) • haemorrhagic • subacute • suppurative 1m Other diseases of pancreas K86.0 Alcohol-induced chronic pancreatitis 295 ICD-NA K86.1 Other chronic pancreatitis Chronic pancreatitis: • NOS • infectious • recurrent • relapsing Other diseases of the digestive system (K90-K93) B Intestinal malabsorption K90.8 Other intestinal malabsorption Whipple's diseaset (M14.8*) B Other diseases of digestive system K92.0 Haematemesis K92.1 Melaena K92.2 Gastrointestinal haemorrhage, unspecified Haemorrhage: • gastric NOS • intestinal NOS 296 CHAPTER XII Diseases of the skin and subcutaneous tissue (LOO-L99) Urticaria and erythema (L50-L54) R Erythema multiforme 1m Erythema nodosum Other disorders of the skin and subcutaneous tissue (L80-L99) 1m Decubitus ulcer Bed sore Plaster ulcer Pressure ulcer Other disorders of skin and subcutaneous tissue in diseases classified elsewhere L99.0* Amyloidosis of skin (E85.-t) L99.8* Other specified disorders of skin and subcutaneous tissue in diseases classified elsewhere Syphilitic: • alopecia (A51.3t) • leukoderma (A51.3t, A52.7t) 297 CHAPTER XIII Diseases of the musculoskeletal system and connective tissue {MOO-M99) Excludes: compartment syndrome (1'79.6) endocrine, nutritional and metabolic disorders (EOO-E90) Site of musculoskeletal involvement The following subclassification to indicate the site of involvement is provided for optional use with appropriate categories in Chapter XIII. As local exten­ sions or specialty adaptations may vary in the number of characters used, it is suggested that the supplementary site subclassification be placed in an identi­ fiably separate position (e.g. in an additional box). Different subclassifications for use with dorsopathies are given on page 304. 0 Multiple sites 1 Shoulder region clavicle acromioclavicular l scapula glenohumeral joints sternoclavicular 2 Upper arm humerus elbow joint 3 Forearm radius wrist joint ulna 4 Hand carpus joints between these bones fingers metacarpus 5 Pelvic region buttock hip Goint) and thigh femur sacroiliac joint pelvis 6 Lower leg fibula knee joint tibia 7 Ankle and foot metatarsus ankle joint tarsus other joints in foot toes 298 DISEASES OF THE MUSCULOSKELETAL SYSTEM 8 Other head neck ribs skull trunk vertebral column 9 Site unspecified Arthropathies (MOO-M25) Disorders affecting predominantly peripheral (limb) joints IM•ii Postinfective and reactive arthropathies in diseases classified elsewhere [See site code pages 298-299] M03.0* Postmeningococcal arthritis (A39.8t) M03.1 * Postinfective arthropathy in syphilis Clutton's joints (A50.5t) II!DI Seropositive rheumatoid arthritis [See site code pages 298-299] Excludes: rheumatic fever (100) rheumatoid arthritis of spine (M45.-) M05.3t Rheumatoid arthritis with involvement of other organs and systems Rheumatoid: • endocarditis (139.-*) • myocarditis (141.8*) • myopathy (073.7*) • polyneuropathy (063.6*) Gout [See site code pages 298-299] IIIII Other crystal arthropathies [See site code pages 298-299] 299 ICD-NA 1$111 Arthropathies in other diseases classified elsewhere M14.0* Gouty arthropathy due to enzyme defects and other inherited disorders Gouty arthropathy in: • Lesch-Nyhan syndrome (E79.1 t)