Mary Jo Bowie MS, BS, AAS, RHIA, RHIT

Congenital Malformations, Deformations, and Chromosomal Abnormalities CHAPTER 22 Congenital Malformations, Deformations, and Chromosomal Abnormalities

Congenital Malformations, Deformations, and Chromosomal Abnormalities—Q00-Q99 Congenital malformations, deformations, and chromosomal abnormalities are reported from Chapter 17 of ICD-10-CM. A congenital anomaly is a disorder that exists at the time of birth.

Terminology Deformity—A problem in the structure or form Anomaly or birth defect—A deviation from what is normal Teratogens—Agents that cause defects in an embryo

Congenital Malformations of the Nervous System—Q00-Q07 This block reports: Anencephaly and similar malformations Encephalocele Microcephaly Congenital hydrocephalus and other malformations of the brain Spina bifida and other spinal cord malformations

Congenital Malformations of Eye, Ear, Face, and Neck—Q10-Q18 This block of codes reports such conditions as: Congenital ectropion Congenital cataract Congenital glaucoma Congenital absence of eustachian tube Malformations of sinus Webbing of neck Other malformations of eyes, ears, face, and neck

Congenital Malformations of the Circulatory System—Q20-Q28 Congenital malformations reported here are categorized according to specific sites of the circulatory system. Coders must determine the specific site of the circulatory system malformation prior to code selection.

Congenital Malformations of the Respiratory System—Q30-Q34 This block of codes is organized according to specific anatomical sites of the respiratory system. Malformations reported here include: Congenital cystic lung Agenesis of lung Congenital cyst of mediastium Congenital laryngocele Congenital anomaly of nasal sinus wall

Cleft Lip and Cleft Palate—Q35-Q37 This block of codes reports: Cleft palate—Q35 Cleft lip—Q36 Cleft palate with cleft lip—Q37

Other Congenital Malformations of the Digestive System—Q38-Q45 The categories here are organized by anatomical site as follows: Q38—Tongue, mouth and pharynx Q39—Esophagus Q40—Upper alimentary tract Q41—Small intestine Q42—Large intestine Q43—Intestine Q44—Gallbladder, bile ducts, and liver Q45—Other sites of digestive system

Congenital Malformations of Genital System—Q50-Q56 These categories are organized as follows: Q50—Ovaries, fallopian tubes, and broad ligaments Q51—Uterus and cervix Q52—Other sites of the female genitalia Q53—Undescended and ectopic testicle Q54—Hypospadias Q55—Other male genital organs Q56- Indeterminate sex and pseudohermaphroditism

Congenital Malformations of the Urinary System—Q60-Q64 This block is organized as follows: Q60—Renal agenesis and other reduction defects of kidney Q61—Cystic kidney disease Q62—Congenital obstructive defects of renal pelvis and ureter Q63—Other congenital kidney malformations Q64—Other congenital malformations of urinary system

Polycystic Kidney Disease © Cengage Learning 2014

Congenital Malformations and Deformations of the Musculoskeletal System—Q65-79 This block of codes is organized according to the various anatomical sites of the musculoskeletal system. Laterality is identified in many of the codes.

Other Congenital Malformations—Q80-Q89 This block reports such conditions as congenital: Malformations of breast, skin, and integument Fetal alcohol syndrome Multiple system syndromes Other malformations not classified elsewhere

Chromosomal Abnormalities, NEC—Q90-Q99 This block reports the following conditions: Down syndrome Trisomy 18 and 13 Other trisomies Balanced rearrangements and structural markers Sex chromosome abnormalities Other chromosome abnormalities

Official Guidelines for Coding and Reporting The guidelines address the following: Assignment of codes from Q00-Q99 Assignment of manifestation codes Codes from Chapter 17 can be used throughout the life of the patient Assignment of Chapter 17 codes for birth admission

Coding Practice Select the code for the following: Congenital aplasia of aorta

Coding Practice Solution Main term to reference in index: Aplasia Modifying term: Aorta (congenital) Code Assignment: Q25.4