Skip to content
Dx

ICD-10-CM 2027

ICD-10 code for hypoplasia

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Hypoplasia, hypoplastic”. Page updated September 29, 2026.

About coding hypoplasia

The official ICD-10-CM index doesn't give a single default code for hypoplasia; the code depends on the details below.

More specific hypoplasia codes (official index)

  • adrenal (gland), congenital Q89.1 — Congenital malformations of adrenal gland
  • alimentary tract, congenital Q45.8 — Other specified congenital malformations of digestive system
  • upper Q40.8 — Other specified congenital malformations of upper alimentary tract
  • anus, anal (canal) Q42.3 — Congenital absence, atresia and stenosis of anus without fistula
  • with fistula Q42.2 — Congenital absence, atresia and stenosis of anus with fistula
  • aorta, aortic Q25.42 — Hypoplasia of aorta
  • ascending, in hypoplastic left heart syndrome Q23.4 — Hypoplastic left heart syndrome
  • valve Q23.1 — Congenital insufficiency of aortic valve
  • in hypoplastic left heart syndrome Q23.4 — Hypoplastic left heart syndrome
  • areola, congenital Q83.8 — Other congenital malformations of breast
  • arm (congenital)
  • artery (peripheral) Q27.8 — Other specified congenital malformations of peripheral vascular system
  • brain (congenital) Q28.3 — Other malformations of cerebral vessels
  • coronary Q24.5 — Malformation of coronary vessels
  • digestive system Q27.8 — Other specified congenital malformations of peripheral vascular system
  • lower limb Q27.8 — Other specified congenital malformations of peripheral vascular system
  • pulmonary Q25.79 — Other congenital malformations of pulmonary artery
  • functional, unilateral J43.0 — Unilateral pulmonary emphysema [MacLeod's syndrome]
  • retinal (congenital) Q14.1 — Congenital malformation of retina
  • specified site NEC Q27.8 — Other specified congenital malformations of peripheral vascular system
  • umbilical Q27.0 — Congenital absence and hypoplasia of umbilical artery
  • upper limb Q27.8 — Other specified congenital malformations of peripheral vascular system
  • auditory canal Q17.8 — Other specified congenital malformations of ear
  • causing impairment of hearing Q16.9 — Congenital malformation of ear causing impairment of hearing, unspecified
  • biliary duct or passage Q44.5 — Other congenital malformations of bile ducts
  • bone NOS Q79.9 — Congenital malformation of musculoskeletal system, unspecified
  • face Q75.8 — Other specified congenital malformations of skull and face bones
  • marrow D61.9 — Aplastic anemia, unspecified
  • megakaryocytic D69.49 — Other primary thrombocytopenia
  • skull
  • brain Q02 — Microcephaly
  • gyri Q04.3 — Other reduction deformities of brain
  • part of Q04.3 — Other reduction deformities of brain
  • breast (areola) N64.82 — Hypoplasia of breast
  • bronchus Q32.4 — Other congenital malformations of bronchus
  • cardiac Q24.8 — Other specified congenital malformations of heart
  • carpus
  • cartilage hair Q78.8 — Other specified osteochondrodysplasias
  • cecum Q42.8 — Congenital absence, atresia and stenosis of other parts of large intestine
  • cementum K00.4 — Disturbances in tooth formation
  • cephalic Q02 — Microcephaly
  • cerebellum Q04.3 — Other reduction deformities of brain
  • cervix (uteri), congenital Q51.821 — Hypoplasia of cervix
  • clavicle (congenital) Q74.0 — Other congenital malformations of upper limb(s), including shoulder girdle
  • coccyx Q76.49 — Other congenital malformations of spine, not associated with scoliosis
  • colon Q42.9 — Congenital absence, atresia and stenosis of large intestine, part unspecified
  • specified NEC Q42.8 — Congenital absence, atresia and stenosis of other parts of large intestine
  • corpus callosum Q04.0 — Congenital malformations of corpus callosum
  • cricoid cartilage Q31.2 — Laryngeal hypoplasia
  • digestive organ (s) or tract NEC Q45.8 — Other specified congenital malformations of digestive system
  • upper (congenital) Q40.8 — Other specified congenital malformations of upper alimentary tract
  • ear (auricle) (lobe) Q17.2 — Microtia
  • middle Q16.4 — Other congenital malformations of middle ear
  • enamel of teeth (neonatal) (postnatal) (prenatal) K00.4 — Disturbances in tooth formation
  • endocrine (gland) NEC Q89.2 — Congenital malformations of other endocrine glands
  • endometrium N85.8 — Other specified noninflammatory disorders of uterus
  • epididymis (congenital) Q55.4 — Other congenital malformations of vas deferens, epididymis, seminal vesicles and prostate
  • epiglottis Q31.2 — Laryngeal hypoplasia
  • erythroid, congenital D61.01 — Constitutional (pure) red blood cell aplasia
  • esophagus (congenital) Q39.8 — Other congenital malformations of esophagus
  • eustachian tube Q17.8 — Other specified congenital malformations of ear
  • eye Q11.2 — Microphthalmos
  • eyelid (congenital) Q10.3 — Other congenital malformations of eyelid
  • face Q18.8 — Other specified congenital malformations of face and neck
  • bone (s) Q75.8 — Other specified congenital malformations of skull and face bones
  • femur (congenital)
  • fibula (congenital)
  • finger (congenital)
  • focal dermal Q82.8 — Other specified congenital malformations of skin
  • foot
  • gallbladder Q44.0 — Agenesis, aplasia and hypoplasia of gallbladder
  • genitalia, genital organ (s)
  • female, congenital Q52.8 — Other specified congenital malformations of female genitalia
  • external Q52.79 — Other congenital malformations of vulva
  • internal NEC Q52.8 — Other specified congenital malformations of female genitalia
  • in adiposogenital dystrophy E23.6 — Other disorders of pituitary gland
  • glottis Q31.2 — Laryngeal hypoplasia
  • hair Q84.2 — Other congenital malformations of hair
  • hand (congenital)
  • heart Q24.8 — Other specified congenital malformations of heart
  • humerus (congenital)
  • intestine (small) Q41.9 — Congenital absence, atresia and stenosis of small intestine, part unspecified
  • large Q42.9 — Congenital absence, atresia and stenosis of large intestine, part unspecified
  • specified NEC Q42.8 — Congenital absence, atresia and stenosis of other parts of large intestine
  • jaw M26.09 — Other specified anomalies of jaw size
  • alveolar M26.79 — Other specified alveolar anomalies
  • lower M26.04 — Mandibular hypoplasia
  • alveolar M26.74 — Alveolar mandibular hypoplasia
  • upper M26.02 — Maxillary hypoplasia
  • alveolar M26.73 — Alveolar maxillary hypoplasia
  • kidney (s) Q60.5 — Renal hypoplasia, unspecified
  • bilateral Q60.4 — Renal hypoplasia, bilateral
  • unilateral Q60.3 — Renal hypoplasia, unilateral
  • labium (majus) (minus), congenital Q52.79 — Other congenital malformations of vulva
  • larynx Q31.2 — Laryngeal hypoplasia
  • left heart syndrome Q23.4 — Hypoplastic left heart syndrome
  • leg (congenital)
  • limb Q73.8 — Other reduction defects of unspecified limb(s)
  • lower (congenital)
  • upper (congenital)
  • liver Q44.79 — Other congenital malformations of liver
  • lung (lobe) (not associated with short gestation) Q33.6 — Congenital hypoplasia and dysplasia of lung
  • associated with immaturity, low birth weight, prematurity, or short gestation P28.0 — Primary atelectasis of newborn
  • mammary (areola), congenital Q83.8 — Other congenital malformations of breast
  • mandible, mandibular M26.04 — Mandibular hypoplasia
  • alveolar M26.74 — Alveolar mandibular hypoplasia
  • unilateral condylar M27.8 — Other specified diseases of jaws
  • maxillary M26.02 — Maxillary hypoplasia
  • alveolar M26.73 — Alveolar maxillary hypoplasia
  • medullary D61.9 — Aplastic anemia, unspecified
  • megakaryocytic D69.49 — Other primary thrombocytopenia
  • metacarpus
  • metatarsus
  • muscle Q79.8 — Other congenital malformations of musculoskeletal system
  • nail (s) Q84.6 — Other congenital malformations of nails
  • nose, nasal Q30.1 — Agenesis and underdevelopment of nose
  • optic nerve H47.03 — Optic nerve hypoplasia
  • osseous meatus (ear) Q17.8 — Other specified congenital malformations of ear
  • ovary, congenital Q50.39 — Other congenital malformation of ovary
  • pancreas Q45.0 — Agenesis, aplasia and hypoplasia of pancreas
  • parathyroid (gland) Q89.2 — Congenital malformations of other endocrine glands
  • parotid gland Q38.4 — Congenital malformations of salivary glands and ducts
  • patella Q74.1 — Congenital malformation of knee
  • pelvis, pelvic girdle Q74.2 — Other congenital malformations of lower limb(s), including pelvic girdle
  • penis (congenital) Q55.62 — Hypoplasia of penis
  • peripheral vascular system Q27.8 — Other specified congenital malformations of peripheral vascular system
  • digestive system Q27.8 — Other specified congenital malformations of peripheral vascular system
  • lower limb Q27.8 — Other specified congenital malformations of peripheral vascular system
  • specified site NEC Q27.8 — Other specified congenital malformations of peripheral vascular system
  • upper limb Q27.8 — Other specified congenital malformations of peripheral vascular system
  • pituitary (gland) (congenital) Q89.2 — Congenital malformations of other endocrine glands
  • pulmonary (not associated with short gestation) Q33.6 — Congenital hypoplasia and dysplasia of lung
  • artery, functional J43.0 — Unilateral pulmonary emphysema [MacLeod's syndrome]
  • associated with short gestation P28.0 — Primary atelectasis of newborn
  • radioulnar
  • radius
  • rectum Q42.1 — Congenital absence, atresia and stenosis of rectum without fistula
  • with fistula Q42.0 — Congenital absence, atresia and stenosis of rectum with fistula
  • respiratory system NEC Q34.8 — Other specified congenital malformations of respiratory system
  • rib Q76.6 — Other congenital malformations of ribs
  • right heart syndrome Q22.6 — Hypoplastic right heart syndrome
  • sacrum Q76.49 — Other congenital malformations of spine, not associated with scoliosis
  • scapula Q74.0 — Other congenital malformations of upper limb(s), including shoulder girdle
  • scrotum Q55.1 — Hypoplasia of testis and scrotum
  • shoulder girdle Q74.0 — Other congenital malformations of upper limb(s), including shoulder girdle
  • skin Q82.8 — Other specified congenital malformations of skin
  • skull (bone) Q75.8 — Other specified congenital malformations of skull and face bones
  • with
  • anencephaly Q00.0 — Anencephaly
  • encephalocele
  • hydrocephalus Q03.9 — Congenital hydrocephalus, unspecified
  • with spina bifida
  • microcephaly Q02 — Microcephaly
  • spinal (cord) (ventral horn cell) Q06.1 — Hypoplasia and dysplasia of spinal cord
  • spine Q76.49 — Other congenital malformations of spine, not associated with scoliosis
  • sternum Q76.7 — Congenital malformation of sternum
  • tarsus
  • testis Q55.1 — Hypoplasia of testis and scrotum
  • thymic, with immunodeficiency D82.1 — Di George's syndrome
  • thymus (gland) Q89.2 — Congenital malformations of other endocrine glands
  • with immunodeficiency D82.1 — Di George's syndrome
  • thyroid (gland) E03.1 — Congenital hypothyroidism without goiter
  • cartilage Q31.2 — Laryngeal hypoplasia
  • tibiofibular (congenital)
  • toe
  • tongue Q38.3 — Other congenital malformations of tongue
  • Turner's K00.4 — Disturbances in tooth formation
  • ulna (congenital)
  • umbilical artery Q27.0 — Congenital absence and hypoplasia of umbilical artery
  • unilateral condylar M27.8 — Other specified diseases of jaws
  • ureter Q62.8 — Other congenital malformations of ureter
  • uterus, congenital Q51.811 — Hypoplasia of uterus
  • vagina Q52.4 — Other congenital malformations of vagina
  • vascular NEC peripheral Q27.8 — Other specified congenital malformations of peripheral vascular system
  • brain Q28.3 — Other malformations of cerebral vessels
  • digestive system Q27.8 — Other specified congenital malformations of peripheral vascular system
  • lower limb Q27.8 — Other specified congenital malformations of peripheral vascular system
  • specified site NEC Q27.8 — Other specified congenital malformations of peripheral vascular system
  • upper limb Q27.8 — Other specified congenital malformations of peripheral vascular system
  • vein (s) (peripheral) Q27.8 — Other specified congenital malformations of peripheral vascular system
  • brain Q28.3 — Other malformations of cerebral vessels
  • digestive system Q27.8 — Other specified congenital malformations of peripheral vascular system
  • great Q26.8 — Other congenital malformations of great veins
  • lower limb Q27.8 — Other specified congenital malformations of peripheral vascular system
  • specified site NEC Q27.8 — Other specified congenital malformations of peripheral vascular system
  • upper limb Q27.8 — Other specified congenital malformations of peripheral vascular system
  • vena cava (inferior) (superior) Q26.8 — Other congenital malformations of great veins
  • vertebra Q76.49 — Other congenital malformations of spine, not associated with scoliosis
  • vulva, congenital Q52.79 — Other congenital malformations of vulva
  • zonule (ciliary) Q12.8 — Other congenital lens malformations

Common questions about hypoplasia ICD-10 codes

What is the ICD-10 code for artery hypoplasia?

Q27.8 — Other specified congenital malformations of peripheral vascular system.

What is the ICD-10 code for auditory canal hypoplasia?

Q17.8 — Other specified congenital malformations of ear.

What is the ICD-10 code for biliary duct or passage hypoplasia?

Q44.5 — Other congenital malformations of bile ducts.

What is the ICD-10 code for bone nos hypoplasia?

Q79.9 — Congenital malformation of musculoskeletal system, unspecified.

What is the ICD-10 code for brain hypoplasia?

Q02 — Microcephaly.

What is the ICD-10 code for breast hypoplasia?

N64.82 — Hypoplasia of breast.

What is the ICD-10 code for bronchus hypoplasia?

Q32.4 — Other congenital malformations of bronchus.