International Classification of Diseases

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Introduction

The International Classification of Diseases (ICD) World Health Organization's classification used worldwide as the standard diagnostic tool for epidemiology, health management and clinical purposes. This includes the analysis of the general health situation of population groups. It is used to monitor the incidence and prevalence of diseases and other health problems. Within this classification "congenital malformations, deformations and chromosomal abnormalities" are (Q00-Q99) but excludes "inborn errors of metabolism" (E70-E90).


(ICD) ICD-10 was endorsed by the Forty-third World Health Assembly in May 1990 and came into use in WHO Member States as from 1994. The classification is the latest in a series which has its origins in the 1850s. The first edition, known as the International List of Causes of Death, was adopted by the International Statistical Institute in 1893. WHO took over the responsibility for the ICD at its creation in 1948 when the Sixth Revision, which included causes of morbidity for the first time, was published. The World Health Assembly adopted in 1967 the WHO Nomenclature Regulations that stipulate use of ICD in its most current revision for mortality and morbidity statistics by all Member States.


The 10th revision, Australian Modification (ICD-10-AM) is currently in use in Australian hospitals for admitted patients. The release date for next version update (ICD-11) is 2017.


The ICD is the international standard diagnostic classification for all general epidemiological, many health management purposes and clinical use.


ICD-10 | Prenatal Diagnosis | Neonatal Diagnosis | ICD-11


International Statistical Classification of Diseases and Related Health Problems 10th Revision (ICD-10) Version for 2010. The 11th revision of the classification has already started and will continue until 2017.

Note - this is not a full listing of the classifications, only the major sub-headings that relate to development (use the "Detailed" links to see additional sub-sub-headings).


Chapter XVII Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)

Links: Chapter XVII Congenital malformations

Excludes inborn errors of metabolism (E70-E90)

Congenital malformations of the nervous system (Q00-Q07)

Links: Q00-Q07 Detailed | Neural System - Abnormalities
  • Q00 Anencephaly and similar malformations
  • Q01 Encephalocele Incl.: encephalomyelocele, hydroencephalocele, hydromeningocele, cranial meningocele, cerebral meningoencephalocele Excl.: Meckel-Gruber syndrome (Q61.9)
  • Q02 Microcephaly Incl.: Hydromicrocephaly Micrencephalon Excl.: Meckel-Gruber syndrome (Q61.9)
  • Q03 Congenital hydrocephalus Incl.: hydrocephalus in newborn Excl.: Arnold-Chiari syndrome (Q07.0) hydrocephalus: acquired (G91.-) due to congenital toxoplasmosis (P37.1) with spina bifida (Q05.0-Q05.4)
  • Q04 Other congenital malformations of brain Excl.: cyclopia (Q87.0) macrocephaly (Q75.3)
  • Q05 Spina bifida Incl.: hydromeningocele (spinal), meningocele (spinal), meningomyelocele, myelocele, myelomeningocele, rachischisis, spina bifida (aperta)(cystica), syringomyelocele Excl.: Arnold-Chiari syndrome (Q07.0), spina bifida occulta (Q76.0)
  • Q06 Other congenital malformations of spinal cord
  • Q07 Other congenital malformations of nervous system Excl.: familial dysautonomia [Riley-Day] (G90.1), neurofibromatosis (nonmalignant) (Q85.0)


Links: Q00-Q07 Detailed | Neural System - Abnormalities

Congenital malformations of eye, ear, face and neck (Q10-Q18)

Links: Q10-Q18 Detailed | Head Abnormalities | Hearing Abnormalities | Vision Abnormalities | Smell Abnormalities

Excl.: cleft lip and cleft palate (Q35-Q37) congenital malformation of: cervical spine (Q05.0, Q05.5, Q67.5, Q76.0-Q76.4) larynx (Q31.-) lip NEC (Q38.0) nose (Q30.-) parathyroid gland (Q89.2) thyroid gland (Q89.2)

  • Q10 Congenital malformations of eyelid, lacrimal apparatus and orbit Excl.: cryptophthalmos: NOS (Q11.2) syndrome (Q87.0)
  • Q11 Anophthalmos, microphthalmos and macrophthalmos
  • Q12 Congenital lens malformations
  • Q13 Congenital malformations of anterior segment of eye
  • Q14 Congenital malformations of posterior segment of eye
  • Q15 Other congenital malformations of eye Excl.: congenital nystagmus (H55) ocular albinism (E70.3) retinitis pigmentosa (H35.5)
  • Q16 Congenital malformations of ear causing impairment of hearing Excl.: congenital deafness (H90.-)
  • Q17 Other congenital malformations of ear Excl.: preauricular sinus (Q18.1)
  • Q18 Other congenital malformations of face and neck Excl.: cleft lip and cleft palate (Q35-Q37) conditions classified to


Links: Q10-Q18 Detailed | Head Abnormalities | Hearing Abnormalities | Vision Abnormalities | Smell Abnormalities

Congenital malformations of the circulatory system (Q20-Q28)

Links: Q20-Q28 Detailed | Cardiovascular System - Abnormalities
  • Q20 Congenital malformations of cardiac chambers and connections Excl.: dextrocardia with situs inversus (Q89.3) mirror-image atrial arrangement with situs inversus (Q89.3)
  • Q21 Congenital malformations of cardiac septa Excl.: acquired cardiac septal defect (I51.0)
  • Q22 Congenital malformations of pulmonary and tricuspid valves
  • Q23 Congenital malformations of aortic and mitral valves
  • Q24 Other congenital malformations of heart Excl.: endocardial fibroelastosis (I42.4)
  • Q25 Congenital malformations of great arteries
  • Q26 Congenital malformations of great veins
  • Q27 Other congenital malformations of peripheral vascular system Excl.: anomalies of: cerebral and precerebral vessels (Q28.0-Q28.3) coronary vessels (Q24.5) pulmonary artery (Q25.5-Q25.7) congenital retinal aneurysm (Q14.1) haemangioma and lymphangioma (D18.-)
  • Q28 Other congenital malformations of circulatory system Excl.: congenital aneurysm: NOS (Q27.8) coronary (Q24.5) peripheral (Q27.8) pulmonary (Q25.7) retinal (Q14.1) ruptured: cerebral arteriovenous malformation (I60.8) malformation of precerebral vessels (I72.-)


Links: Q20-Q28 Detailed | Cardiovascular System - Abnormalities

Congenital malformations of the respiratory system (Q30-Q34)

Links: Q30-Q34 Detailed | Respiratory Abnormalities
  • Q30 Congenital malformations of nose Excl.: congenital deviation of nasal septum (Q67.4)
  • Q31 Congenital malformations of larynx Excl.: congenital (laryngeal) stridor NOS (P28.8)
  • Q32 Congenital malformations of trachea and bronchus Excl.: congenital bronchiectasis (Q33.4)
  • Q33 Congenital malformations of lung
  • Q34 Other congenital malformations of respiratory system


Links: Q30-Q34 Detailed | Respiratory Abnormalities

Cleft lip and cleft palate (Q35-Q37)

Links: Q35-Q37 Detailed | Cleft lip and cleft palate

Use additional code (Q30.2), if desired, to identify associated malformations of the nose. Excl.: Robin's syndrome (Q87.0)

  • Q35 Cleft palate Incl.: fissure of palate palatoschisis Excl.: cleft palate with cleft lip (Q37.-)
  • Q36 Cleft lip Incl.: cheiloschisis congenital fissure of lip harelip labium leporinum Excl.: cleft lip with cleft palate (Q37.-)
  • Q37.0 Cleft hard palate with bilateral cleft lip


Links: Q35-Q37 Detailed | Cleft lip and cleft palate

Other congenital malformations of the digestive system (Q38-Q45)

  • Q38 Other congenital malformations of tongue, mouth and pharynx Excl.: macrostomia (Q18.4) microstomia (Q18.5)
  • Q39 Congenital malformations of oesophagus
  • Q40 Other congenital malformations of upper alimentary tract
  • Q41 Congenital absence, atresia and stenosis of small intestine Incl.: congenital obstruction, occlusion and stricture of small intestine or intestine NOS Excl.: meconium ileus (E84.1)
  • Q42 Congenital absence, atresia and stenosis of large intestine Incl.: congenital obstruction, occlusion and stricture of large intestine
  • Q43 Other congenital malformations of intestine
  • Q44 Congenital malformations of gallbladder, bile ducts and liver
  • Q45 Other congenital malformations of digestive system Excl.: congenital: diaphragmatic hernia (Q79.0) hiatus hernia (Q40.1)


Links: Q38-Q45 Detailed | Gastrointestinal Abnormalities

Congenital malformations of genital organs (Q50-Q56)

Links: Q50-Q56 Detailed | Genital Abnormalities

Excl.: androgen resistance syndrome (E34.5) syndromes associated with anomalies in the number and form of chromosomes (90-99) testicular feminization syndrome (E34.5)

  • Q50 Congenital malformations of ovaries, fallopian tubes and broad ligaments
  • Q51 Congenital malformations of uterus and cervix
  • Q52 Other congenital malformations of female genitalia
  • Q53 Undescended testicle
  • Q54 Hypospadias Excl.: epispadias (64.0)
  • Q55 Other congenital malformations of male genital organs Excl.: congenital hydrocele (P83.5) hypospadias (54.-)
  • Q56 Indeterminate sex and pseudohermaphroditism Excl.: pseudohermaphroditism: female, with adrenocortical disorder (E25.-) male, with androgen resistance (E34.5) with specified chromosomal anomaly (96-99)


Links: Q50-Q56 Detailed | Genital Abnormalities

Congenital malformations of the urinary system (Q60-Q64)

Links: Q60-Q64 Detailed | Renal Abnormalities | Renal Development
  • Q60 Renal agenesis and other reduction defects of kidney Incl.: atrophy of kidney: congenital infantile congenital absence of kidney
  • Q61 Cystic kidney disease Excl.: acquired cyst of kidney (N28.1) Potter's syndrome (60.6)
  • Q62 Congenital obstructive defects of renal pelvis and congenital malformations of ureter
  • Q63 Other congenital malformations of kidney Excl.: congenital nephrotic syndrome (N04.-)
  • Q64 Other congenital malformations of urinary system


Links: Q60-Q64 Detailed | Renal Abnormalities | Renal Development

Congenital malformations and deformations of the musculoskeletal system

Links: Q65-Q79 Detailed | Musculoskeletal Abnormalities | Limb Abnormalities
  • Q65 Congenital deformities of hip Excl.: clicking hip (R29.4)
  • Q66 Congenital deformities of feet Excl.: reduction defects of feet (Q72.-) valgus deformities (acquired) (M21.0) varus deformities (acquired) (M21.1)
  • Q67 Congenital musculoskeletal deformities of head, face, spine and chest Excl.: congenital malformation syndromes classified to Q87.- Potter's syndrome (Q60.6)
  • Q68 Other congenital musculoskeletal deformities Excl.: reduction defects of limb(s) (Q71-Q73)
  • Q69 Polydactyly
  • Q70 Syndactyly
  • Q71 Reduction defects of upper limb
  • Q72 Reduction defects of lower limb
  • Q73 Reduction defects of unspecified limb
  • Q74 Other congenital malformations of limb(s) Excl.: polydactyly (Q69.-) reduction defect of limb (Q71-Q73) syndactyly (Q70.-)
  • Q75 Other congenital malformations of skull and face bones Excl.: congenital malformation of face NOS (Q18.-) congenital malformation syndromes classified to Q87.- dentofacial anomalies [including malocclusion] (K07.-) musculoskeletal deformities of head and face (Q67.0-Q67.4) skull defects associated with congenital anomalies of brain such as: anencephaly (Q00.0) encephalocele (Q01.-) hydrocephalus (Q03.-) microcephaly (Q02)
  • Q76 Congenital malformations of spine and bony thorax Excl.: congenital musculoskeletal deformities of spine and chest (Q67.5-Q67.8)
  • Q77 Osteochondrodysplasia with defects of growth of tubular bones and spine Excl.: mucopolysaccharidosis (E76.0-E76.3)
  • Q78 Other osteochondrodysplasias
  • Q79 Congenital malformations of the musculoskeletal system, not elsewhere classified Excl.: congenital (sternomastoid) torticollis (Q68.0)


Links: Q65-Q79 Detailed | Musculoskeletal Abnormalities | Limb Abnormalities

Other congenital malformations (Q80-Q89)

Links: Q80-Q89 Detailed | Integumentary Abnormalities
  • Q80 Congenital ichthyosis
  • Q81 Epidermolysis bullosa
  • Q83 Congenital malformations of breast
  • Q84 Other congenital malformations of integument
  • Q85 Phakomatoses, not elsewhere classified
  • Q86 Congenital malformation syndromes due to known exogenous causes, not elsewhere classified
  • Q87 Other specified congenital malformation syndromes affecting multiple systems
  • Q89 Other congenital malformations, not elsewhere classified


Links: Q80-Q89 Detailed | Integumentary Abnormalities

Chromosomal abnormalities, not elsewhere classified (Q90-Q99)

Links: Q90-Q99 Detailed | Genetic Abnormalities | Trisomy 21 | Trisomy 18 | Trisomy 13 | Trisomy X | Philadelphia chromosome | Disorders of Sex Development
  • Q90 Down's syndrome
  • Q91 Edwards' syndrome and Patau's syndrome
  • Q92 Other trisomies and partial trisomies of the autosomes, not elsewhere classified Incl.: unbalanced translocations and insertions Excl.: trisomies of chromosomes 13, 18, 21 (Q90-Q91)
  • Q93 Monosomies and deletions from the autosomes, not elsewhere classified
  • Q95 Balanced rearrangements and structural markers, not elsewhere classified Incl.: Robertsonian and balanced reciprocal translocations and insertions
  • Q96 Turner's syndrome Excl.: Noonan's syndrome (Q87.1)
  • Q97 Other sex chromosome abnormalities, female phenotype, not elsewhere classified Excl.: Turner's syndrome (Q96.-)
  • Q98 Other sex chromosome abnormalities, male phenotype, not elsewhere classified
  • Q99 Other chromosome abnormalities, not elsewhere classified


Links: Q90-Q99 Detailed | Genetic Abnormalities | Trisomy 21 | Trisomy 18 | Trisomy 13 | Trisomy X | Philadelphia chromosome | Disorders of Sex Development

Chapter XVI Certain conditions originating in the perinatal period (P00-P96)

Includes conditions that have their origin in the perinatal period even though death or morbidity occurs later.

Excludes congenital malformations, deformations and chromosomal abnormalities (Q00-Q99); endocrine, nutritional and metabolic diseases (E00-E90); injury, poisoning and certain other consequences of external causes (S00-T98); neoplasms (C00-D48); tetanus neonatorum (A33)



Links: Chapter XVI Perinatal Period | Neonatal Development | Neonatal Diagnosis

Chapter XV Pregnancy, childbirth and the puerperium (O00-O99)

The codes included in this chapter are to be used for conditions related to or aggravated by the pregnancy, childbirth or by the puerperium (maternal causes or obstetric causes)

Excludes Certain diseases or injuries complicating pregnancy, childbirth and the puerperium classified elsewhere: external causes (for mortality) (V, W, X, Y); injury, poisoning and certain other consequences of external cause (S00-T88.1, , T88.6-T98); mental and behavioural disorders associated with the puerperium (F53.-); obstetrical tetanus (A34); postpartum necrosis of pituitary gland (E23.0); puerperal osteomalacia (M83.0); supervision of high-risk pregnancy (Z35.-); supervision of normal pregnancy (Z34.-).



Links: Chapter XV Pregnancy Childbirth | Birth


International Classification of Diseases - 10 - Australian Modification (ICD-10-AM)

ICD-10-AM is the International Statistical Classification of Diseases and Related Health Problems, Tenth Revision, Australian Modification. It consists of a tabular list of diseases and accompanying index.

ICD-10-AM was developed by the National Centre for Classification in Health and has been in use since 1998. It was developed with assistance from clinicians and clinical coders to ensure that the classification is current and appropriate for Australian clinical practice. ICD-10-AM is a derived version of the World Health Organization (WHO) ICD-10. It uses an alphanumeric coding scheme for diseases and external causes of injury. It is structured by body system and aetiology, and comprises three, four and five character categories. ICD-10-AM is updated on a regular basis, with the regular updates of ICD-10 being included as part of the updating process.

(text from - Australian Consortium for Classification Development)


Links: ICD-10-AM/ACHI/ACS

International Classification of Diseases 11 (ICD11)

ICD11 planning overview.jpg


Below is a summary of changes from ICD 10 to ICD 11 as listed in the Nov 2015 newsletter.[1]

New Chapters

  • Chapter 3 Diseases of the Blood and Blood forming Organs
  • Chapter 4 Disorders of the Immune System.
  • Chapter 5 Conditions related to Sexual Health.
  • Chapter 8 Sleep-Wake Disorders
  • Chapter 26 Extension codes
  • Chapter 27 Traditional Medicine

New Concepts

  • Foundation: Everything in ICD
  • Entity: Each element in the foundation
  • Linearization: also known as a Classification
  • Stem code: Category (includes former ‘dagger’ codes)
  • Extension code: Additional information
  • Linearization parents: Classification hierarchy, Chapter, Block, Category Content Model
  • ICD-11 categories have a short and a long definition.
  • All ICD-11 categories include separate information on anatomy, aetiology, and other aspects. These can be accessed through searches, or when browsing in the tabular list.

New Coding Scheme

  • The chapter numbering: now arabic numbers, not roman numerals
  • The coding scheme for categories: now minimum 4 characters, 2 levels of subcategories
  • Asterisk codes become Clinical forms or Extension codes. Additional sub-classifications become Extension codes

Terminology

  • ICD-10 had a range of expressions to describe a causal relationship between conditions in a code title. In ICD 11, the preferred term is “due to”.
  • ICD-10 had a range of expressions indicating the coincidence of two conditions in a code title (e.g. “in” or “with”). In ICD-11, the preferred term is “associated with”.

Beta Draft - 20 Development

CD-11 Beta Draft - 20 Developmental anomalies  
Beta Draft - NOT FINAL, updated on a daily basis, It is not approved by WHO, NOT TO BE USED for CODING except for agreed FIELD TRIALS.

CD-11 Beta Draft - Mortality and Morbidity Statistics 20 Developmental anomalies  

Structural developmental anomalies  

  • Structural developmental anomalies of the nervous system  
    • LA00 Anencephaly or similar anomalies
    • LA01 Cephalocele
    • LA02 Spina bifida
    • LA03 Arnold-Chiari malformation type II
    • LA04 Congenital hydrocephalus
    • LA05 Cerebral structural developmental anomalies
    • LA06 Cerebellar structural developmental anomalies
    • LA07 Structural developmental anomalies of the neurenteric canal, spinal cord or vertebral column
    • LA0Y Other specified structural developmental anomalies of the nervous system
    • LA0Z Structural developmental anomalies of the nervous system, unspecified
  • Structural developmental anomalies of the eye, eyelid or lacrimal apparatus
  • Structural developmental anomalies of the ear  
  • Structural developmental anomalies of the face, mouth or teeth  
  • Structural developmental anomalies of the neck  
  • Structural developmental anomalies of the respiratory system  
  • Structural developmental anomalies of the circulatory system  
  • Structural developmental anomalies of the diaphragm, abdominal wall or umbilical cord  
  • Structural developmental anomalies of the digestive tract  
  • Structural developmental anomalies of the liver, biliary tract, pancreas or spleen  
  • Structural developmental anomalies of the urinary system  
  • Structural developmental anomalies of the female genital system  
  • Structural developmental anomalies of the male genital system  
  • Structural developmental anomalies of the breast  
  • Structural developmental anomalies of the skeleton  
  • Structural developmental anomalies of the skin  
  • Structural developmental anomalies of the adrenal glands  

References

World Health Organisation. International Statistical Classification of Diseases and Related Health Problems. (1992) 10th Revision (ICD-10). Geneva: WHO ICD-10 - 2016 Online (English)

  1. World Health Organization – Classifications, Terminologies, and Standards ICD 11 Update Newsletter (Nov 2015).

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Cite this page: Hill, M.A. (2024, March 29) Embryology International Classification of Diseases. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/International_Classification_of_Diseases

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