ICD-10-CM Alphabetic Index · FY 2026 191 Entries
Hypoplasia in the ICD-10-CM Index ICD-10-CM
The main term Hypoplasia, hypoplastic carries 191 index entries pointing to 96 ICD-10-CM codes. Every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
191
Index Entries
96
Codes Referenced
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Default Code
H
Letter
191 of 191 shown
ICD-10-CM
Index Entries Under Hypoplasia 191 entries · 96 codes
Hypoplasia, hypoplastic
adrenal (gland), congenital Q89.1
alimentary tract, congenital Q45.8
upper Q40.8
anus, anal (canal) Q42.3
with fistula Q42.2
aorta, aortic Q25.42
ascending, in hypoplastic left heart syndrome Q23.4
valve Q23.1
in hypoplastic left heart syndrome Q23.4
areola, congenital Q83.8
arm (congenital) see Defect, reduction, upper limb
artery (peripheral) Q27.8
brain (congenital) Q28.3
coronary Q24.5
digestive system Q27.8
lower limb Q27.8
pulmonary Q25.79
functional, unilateral J43.0
retinal (congenital) Q14.1
specified site NEC Q27.8
umbilical Q27.0
upper limb Q27.8
auditory canal Q17.8
causing impairment of hearing Q16.9
biliary duct or passage Q44.5
bone NOS Q79.9
face Q75.8
marrow D61.9
megakaryocytic D69.49
skull see Hypoplasia, skull
brain Q02
gyri Q04.3
part of Q04.3
breast (areola) N64.82
bronchus Q32.4
cardiac Q24.8
carpus see Defect, reduction, upper limb, specified type NEC
cartilage hair Q78.8
cecum Q42.8
cementum K00.4
cephalic Q02
cerebellum Q04.3
cervix (uteri), congenital Q51.821
clavicle (congenital) Q74.0
coccyx Q76.49
colon Q42.9
specified NEC Q42.8
corpus callosum Q04.0
cricoid cartilage Q31.2
digestive organ (s) or tract NEC Q45.8
upper (congenital) Q40.8
ear (auricle) (lobe) Q17.2
middle Q16.4
enamel of teeth (neonatal) (postnatal) (prenatal) K00.4
endocrine (gland) NEC Q89.2
endometrium N85.8
epididymis (congenital) Q55.4
epiglottis Q31.2
erythroid, congenital D61.01
esophagus (congenital) Q39.8
eustachian tube Q17.8
eye Q11.2
eyelid (congenital) Q10.3
face Q18.8
bone (s) Q75.8
femur (congenital) see Defect, reduction, lower limb, specified type NEC
fibula (congenital) see Defect, reduction, lower limb, specified type NEC
finger (congenital) see Defect, reduction, upper limb, specified type NEC
focal dermal Q82.8
foot see Defect, reduction, lower limb, specified type NEC
gallbladder Q44.0
genitalia, genital organ (s)
female, congenital Q52.8
external Q52.79
internal NEC Q52.8
in adiposogenital dystrophy E23.6
glottis Q31.2
hair Q84.2
hand (congenital) see Defect, reduction, upper limb, specified type NEC
heart Q24.8
humerus (congenital) see Defect, reduction, upper limb, specified type NEC
intestine (small) Q41.9
large Q42.9
specified NEC Q42.8
jaw M26.09
alveolar M26.79
lower M26.04
alveolar M26.74
upper M26.02
alveolar M26.73
kidney (s) Q60.5
bilateral Q60.4
unilateral Q60.3
labium (majus) (minus), congenital Q52.79
larynx Q31.2
left heart syndrome Q23.4
leg (congenital) see Defect, reduction, lower limb
limb Q73.8
lower (congenital) see Defect, reduction, lower limb
upper (congenital) see Defect, reduction, upper limb
liver Q44.79
lung (lobe) (not associated with short gestation) Q33.6
associated with immaturity, low birth weight, prematurity, or short gestation P28.0
mammary (areola), congenital Q83.8
mandible, mandibular M26.04
alveolar M26.74
unilateral condylar M27.8
maxillary M26.02
alveolar M26.73
medullary D61.9
megakaryocytic D69.49
metacarpus see Defect, reduction, upper limb, specified type NEC
metatarsus see Defect, reduction, lower limb, specified type NEC
muscle Q79.8
nail (s) Q84.6
nose, nasal Q30.1
optic nerve H47.03- Non-billable
osseous meatus (ear) Q17.8
ovary, congenital Q50.39
pancreas Q45.0
parathyroid (gland) Q89.2
parotid gland Q38.4
patella Q74.1
pelvis, pelvic girdle Q74.2
penis (congenital) Q55.62
peripheral vascular system Q27.8
digestive system Q27.8
lower limb Q27.8
specified site NEC Q27.8
upper limb Q27.8
pituitary (gland) (congenital) Q89.2
pulmonary (not associated with short gestation) Q33.6
artery, functional J43.0
associated with short gestation P28.0
radioulnar see Defect, reduction, upper limb, specified type NEC
radius see Defect, reduction, upper limb
rectum Q42.1
with fistula Q42.0
respiratory system NEC Q34.8
rib Q76.6
right heart syndrome Q22.6
sacrum Q76.49
scapula Q74.0
scrotum Q55.1
shoulder girdle Q74.0
skin Q82.8
skull (bone) Q75.8
with
anencephaly Q00.0
encephalocele see Encephalocele
hydrocephalus Q03.9
with spina bifida see Spina bifida, by site, with hydrocephalus
microcephaly Q02
spinal (cord) (ventral horn cell) Q06.1
spine Q76.49
sternum Q76.7
tarsus see Defect, reduction, lower limb, specified type NEC
testis Q55.1
thymic, with immunodeficiency D82.1
thymus (gland) Q89.2
with immunodeficiency D82.1
thyroid (gland) E03.1
cartilage Q31.2
tibiofibular (congenital) see Defect, reduction, lower limb, specified type NEC
toe see Defect, reduction, lower limb, specified type NEC
tongue Q38.3
Turner's K00.4
ulna (congenital) see Defect, reduction, upper limb
umbilical artery Q27.0
unilateral condylar M27.8
ureter Q62.8
uterus, congenital Q51.811
vagina Q52.4
vascular NEC peripheral Q27.8
brain Q28.3
digestive system Q27.8
lower limb Q27.8
specified site NEC Q27.8
upper limb Q27.8
vein (s) (peripheral) Q27.8
brain Q28.3
digestive system Q27.8
great Q26.8
lower limb Q27.8
specified site NEC Q27.8
upper limb Q27.8
vena cava (inferior) (superior) Q26.8
vertebra Q76.49
vulva, congenital Q52.79
zonule (ciliary) Q12.8
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
