ICD-10-CM Alphabetic Index · FY 2026 632 Entries
Anomaly in the ICD-10-CM Index ICD-10-CM
The main term Anomaly, anomalous (congenital) (unspecified type) carries 632 index entries pointing to 257 ICD-10-CM codes. The default entry is Q89.9, the code the bare main term maps to; 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
632
Index Entries
257
Codes Referenced
Q89.9
Default Code
A
Letter
632 of 632 shown
ICD-10-CM
Index Entries Under Anomaly 632 entries · 257 codes
Anomaly, anomalous (congenital) (unspecified type) Q89.9
abdominal wall NEC Q79.59
acoustic nerve Q07.8
adrenal (gland) Q89.1
Alder (-Reilly) (leukocyte granulation) D72.0
alimentary tract Q45.9
upper Q40.9
alveolar M26.70
hyperplasia M26.79
mandibular M26.72
maxillary M26.71
hypoplasia M26.79
mandibular M26.74
maxillary M26.73
ridge (process) M26.79
specified NEC M26.79
ankle (joint) Q74.2
anus Q43.9
aorta (arch) NEC Q25.40
coarctation (preductal) (postductal) Q25.1
aortic cusp or valve Q23.9
appendix Q43.8
apple peel syndrome Q41.1
aqueduct of Sylvius Q03.0
with spina bifida see Spina bifida, with hydrocephalus
arm Q74.0
arteriovenous NEC
coronary Q24.5
gastrointestinal Q27.33
acquired see Angiodysplasia
artery (peripheral) Q27.9
basilar NEC Q28.1
cerebral Q28.3
coronary Q24.5
digestive system Q27.8
eye Q15.8
great Q25.9
specified NEC Q25.8
lower limb Q27.8
peripheral Q27.9
specified NEC Q27.8
pulmonary NEC Q25.79
renal Q27.2
retina Q14.1
specified site NEC Q27.8
subclavian Q27.8
origin Q25.48
umbilical Q27.0
upper limb Q27.8
vertebral NEC Q28.1
aryteno-epiglottic folds Q31.8
atrial
bands or folds Q20.8
septa Q21.10
atrioventricular
excitation I45.6
septum Q21.0
auditory canal Q17.8
auricle
ear Q17.8
causing impairment of hearing Q16.9
heart Q20.8
Axenfeld's Q15.0
back Q89.9
band
atrial Q20.8
heart Q24.8
ventricular Q24.8
Bartholin's duct Q38.4
biliary duct or passage Q44.5
bladder Q64.70
absence Q64.5
diverticulum Q64.6
exstrophy Q64.10
cloacal Q64.12
extroversion Q64.19
specified type NEC Q64.19
supravesical fissure Q64.11
neck obstruction Q64.31
specified type NEC Q64.79
bone Q79.9
arm Q74.0
face Q75.9
leg Q74.2
pelvic girdle Q74.2
shoulder girdle Q74.0
skull Q75.9
with
anencephaly Q00.0
encephalocele see Encephalocele
hydrocephalus Q03.9
with spina bifida see Spina bifida, by site, with hydrocephalus
microcephaly Q02
brain (multiple) Q04.9
vessel Q28.3
breast Q83.9
broad ligament Q50.6
bronchus Q32.4
bulbus cordis Q21.9
bursa Q79.9
canal of Nuck Q52.4
canthus Q10.3
capillary Q27.9
cardiac Q24.9
chambers Q20.9
specified NEC Q20.8
septal closure Q21.9
specified NEC Q21.8
valve NEC Q24.8
pulmonary Q22.3
cardiovascular system Q28.8
carpus Q74.0
caruncle, lacrimal Q10.6
cascade stomach Q40.2
cauda equina Q06.3
cecum Q43.9
cerebral Q04.9
vessels Q28.3
cervix Q51.9
Chédiak-Higashi (-Steinbrinck) (congenital gigantism of peroxidase granules) E70.330
cheek Q18.9
chest wall Q67.8
bones Q76.9
chin Q18.9
chordae tendineae Q24.8
choroid Q14.3
plexus Q07.8
chromosomes, chromosomal Q99.9
D (1) see condition, chromosome 13
E (3) see condition, chromosome 18
G see condition, chromosome 21
sex
female phenotype Q97.8
gonadal dysgenesis (pure) Q99.1
Klinefelter's Q98.4
male phenotype Q98.9
Turner's Q96.9
specified NEC Q99.8 Non-billable
cilia Q10.3
circulatory system Q28.9
clavicle Q74.0
clitoris Q52.6
coccyx Q76.49
colon Q43.9
common duct Q44.5
communication
coronary artery Q24.5
left ventricle with right atrium Q21.0
concha (ear) Q17.3
connection
portal vein Q26.5
pulmonary venous Q26.4
partial Q26.3
total Q26.2
renal artery with kidney Q27.2
cornea (shape) Q13.4
coronary artery or vein Q24.5
cranium see Anomaly, skull
cricoid cartilage Q31.8
cystic duct Q44.5
dental
alveolar see Anomaly, alveolar
arch relationship M26.20
specified NEC M26.29
dentofacial M26.9
alveolar see Anomaly, alveolar
dental arch relationship M26.20
specified NEC M26.29
functional M26.50
specified NEC M26.59
jaw-cranial base relationship M26.10
asymmetry M26.12
maxillary M26.11
specified type NEC M26.19
jaw size M26.00
macrogenia M26.05
mandibular
hyperplasia M26.03
hypoplasia M26.04
maxillary
hyperplasia M26.01
hypoplasia M26.02
microgenia M26.06
specified type NEC M26.09
malocclusion M26.4
dental arch relationship NEC M26.29
jaw-cranial base relationship see Anomaly, dentofacial, jaw-cranial base relationship
jaw size see Anomaly, dentofacial, jaw size
specified type NEC M26.89
temporomandibular joint M26.60- Non-billable
adhesions M26.61- Non-billable
ankylosis M26.61- Non-billable
arthralgia M26.62- Non-billable
articular disc M26.63- Non-billable
specified type NEC M26.69
tooth position, fully erupted M26.30
specified NEC M26.39
dermatoglyphic Q82.8
diaphragm (apertures) NEC Q79.1
digestive organ (s) or tract Q45.9
lower Q43.9
upper Q40.9
distance, interarch (excessive) (inadequate) M26.25
distribution, coronary artery Q24.5
ductus
arteriosus Q25.0
botalli Q25.0
duodenum Q43.9
dura (brain) Q04.9
spinal cord Q06.9
ear (external) Q17.9
causing impairment of hearing Q16.9
inner Q16.5
middle (causing impairment of hearing) Q16.4
ossicles Q16.3
Ebstein's (heart) (tricuspid valve) Q22.5
ectodermal Q82.9
Eisenmenger's (ventricular septal defect) Q21.8
ejaculatory duct Q55.4
elbow Q74.0
endocrine gland NEC Q89.2
epididymis Q55.4
epiglottis Q31.8
esophagus Q39.9
eustachian tube Q17.8
eye Q15.9
anterior segment Q13.9
specified NEC Q13.89
posterior segment Q14.9
specified NEC Q14.8
ptosis (eyelid) Q10.0
specified NEC Q15.8
eyebrow Q18.8
eyelid Q10.3
ptosis Q10.0
face Q18.9
bone (s) Q75.9
fallopian tube Q50.6
fascia Q79.9
femur NEC Q74.2
fibula NEC Q74.2
finger Q74.0
fixation, intestine Q43.3
flexion (joint) NOS Q74.9
hip or thigh Q65.89
foot NEC Q74.2
varus (congenital) Q66.3- Non-billable
foramen
Botalli Q21.12
ovale Q21.12
forearm Q74.0
forehead Q75.8
form, teeth K00.2
fovea centralis Q14.1
frontal bone see Anomaly, skull
gallbladder (position) (shape) (size) Q44.1
Gartner's duct Q52.4
gastrointestinal tract Q45.9
genitalia, genital organ (s) or system
female Q52.9
external Q52.70
internal NOS Q52.9
male Q55.9
hydrocele P83.5
specified NEC Q55.8
genitourinary NEC
female Q52.9
male Q55.9
Gerbode Q21.0
glottis Q31.8
granulation or granulocyte, genetic (constitutional) (leukocyte) D72.0
gum Q38.6
gyri Q07.9
hair Q84.2
hand Q74.0
hard tissue formation in pulp K04.3
head see Anomaly, skull
heart Q24.9
auricle Q20.8
bands or folds Q24.8
fibroelastosis cordis I42.4
obstructive NEC Q22.6
patent ductus arteriosus (Botalli) Q25.0
septum Q21.9
auricular Q21.19
interatrial Q21.19
interventricular Q21.0
with pulmonary stenosis or atresia, dextraposition of aorta and hypertrophy of right ventricle Q21.3
specified NEC Q21.8
ventricular Q21.0
with pulmonary stenosis or atresia, dextraposition of aorta and hypertrophy of right ventricle Q21.3
tetralogy of Fallot Q21.3
valve NEC Q24.8
aortic
bicuspid valve Q23.81
functional, with stenosis see Stenosis, aortic (valve)
insufficiency Q23.1
stenosis Q23.0
subaortic Q24.4
mitral
insufficiency Q23.3
stenosis Q23.2
pulmonary Q22.3
atresia Q22.0
insufficiency Q22.2
stenosis Q22.1
infundibular Q24.3
subvalvular Q24.3
tricuspid
atresia Q22.4
stenosis Q22.4
ventricle Q20.8
heel NEC Q74.2
Hegglin's D72.0
hemianencephaly Q00.0
hemicephaly Q00.0
hemicrania Q00.0
hepatic duct Q44.5
hip NEC Q74.2
hourglass stomach Q40.2
humerus Q74.0
hydatid of Morgagni
female Q50.5
male (epididymal) Q55.4
testicular Q55.29
hymen Q52.4
hypersegmentation of neutrophils, hereditary D72.0
hypophyseal Q89.2
ileocecal (coil) (valve) Q43.9
ileum Q43.9
ilium NEC Q74.2
integument Q84.9
specified NEC Q84.8
interarch distance (excessive) (inadequate) M26.25
intervertebral cartilage or disc Q76.49
intestine (large) (small) Q43.9
with anomalous adhesions, fixation or malrotation Q43.3
iris Q13.2
ischium NEC Q74.2
jaw see Anomaly, dentofacial
alveolar see Anomaly, alveolar
jaw-cranial base relationship see Anomaly, dentofacial, jaw-cranial base relationship
jejunum Q43.8
joint Q74.9
specified NEC Q74.8
Jordan's D72.0
kidney (s) (calyx) (pelvis) Q63.9
artery Q27.2
specified NEC Q63.8
Klippel-Feil (brevicollis) Q76.1
knee Q74.1
labium (majus) (minus) Q52.70
labyrinth, membranous Q16.5
lacrimal apparatus or duct Q10.6
larynx, laryngeal (muscle) Q31.9
web (bed) Q31.0
lens Q12.9
leukocytes, genetic D72.0
granulation (constitutional) D72.0
lid (fold) Q10.3
ligament Q79.9
broad Q50.6
round Q52.8
limb Q74.9
lower NEC Q74.2
reduction deformity see Defect, reduction, lower limb
upper Q74.0
lip Q38.0
liver Q44.70
duct Q44.5
lower limb NEC Q74.2
lumbosacral (joint) (region) Q76.49
kyphosis see Kyphosis, congenital
lordosis see Lordosis, congenital
lung (fissure) (lobe) Q33.9
mandible see Anomaly, dentofacial
maxilla see Anomaly, dentofacial
May (-Hegglin) D72.0
meatus urinarius NEC Q64.79
meningeal bands or folds Q07.9
constriction of Q07.8
spinal Q06.9
meninges Q07.9
cerebral Q04.8
spinal Q06.9
meningocele Q05.9
mesentery Q45.9
metacarpus Q74.0
metatarsus NEC Q74.2
middle ear Q16.4
ossicles Q16.3
mitral (leaflets) (valve) Q23.9
cleft Q23.82
insufficiency Q23.3
specified NEC Q23.88
stenosis Q23.2
mouth Q38.6
Müllerian see also Anomaly, by site
uterus NEC Q51.818
multiple NEC Q89.7
muscle Q79.9
eyelid Q10.3
musculoskeletal system, except limbs Q79.9
myocardium Q24.8
nail Q84.6
narrowness, eyelid Q10.3
nasal sinus (wall) Q30.8
neck (any part) Q18.9
nerve Q07.9
acoustic Q07.8
optic Q07.8
nervous system (central) Q07.9
nipple Q83.9
nose, nasal (bones) (cartilage) (septum) (sinus) Q30.9
specified NEC Q30.8
ocular muscle Q15.8
omphalomesenteric duct Q43.0
opening, pulmonary veins Q26.4
optic
disc Q14.2
nerve Q07.8
opticociliary vessels Q13.2
orbit (eye) Q10.7
organ Q89.9
of Corti Q16.5
origin
artery
innominate Q25.8
pulmonary Q25.79
renal Q27.2
subclavian Q25.48
osseous meatus (ear) Q16.1
ovary Q50.39
oviduct Q50.6
palate (hard) (soft) NEC Q38.5
pancreas or pancreatic duct Q45.3
papillary muscles Q24.8
parathyroid gland Q89.2
paraurethral ducts Q64.79
parotid (gland) Q38.4
patella Q74.1
Pelger-Huët (hereditary hyposegmentation) D72.0
pelvic girdle NEC Q74.2
pelvis (bony) NEC Q74.2
rachitic E64.3
penis (glans) Q55.69
pericardium Q24.8
peripheral vascular system Q27.9
Peter's Q13.4
pharynx Q38.8
pigmentation L81.9
congenital Q82.8
pituitary (gland) Q89.2
pleural (folds) Q34.0
portal vein Q26.5
connection Q26.5
position, tooth, teeth, fully erupted M26.30
specified NEC M26.39
precerebral vessel Q28.1
prepuce Q55.69
prostate Q55.4
pulmonary Q33.9
artery NEC Q25.79
valve Q22.3
atresia Q22.0
insufficiency Q22.2
specified type NEC Q22.3
stenosis Q22.1
infundibular Q24.3
subvalvular Q24.3
venous connection Q26.4
partial Q26.3
total Q26.2
pupil Q13.2
function H57.00
anisocoria H57.02
Argyll Robertson pupil H57.01
miosis H57.03
mydriasis H57.04
specified type NEC H57.09
tonic pupil H57.05- Non-billable
pylorus Q40.3
radius Q74.0
rectum Q43.9
reduction (extremity) (limb)
femur (longitudinal) see Defect, reduction, lower limb, longitudinal, femur
fibula (longitudinal) see Defect, reduction, lower limb, longitudinal, fibula
lower limb see Defect, reduction, lower limb
radius (longitudinal) see Defect, reduction, upper limb, longitudinal, radius
tibia (longitudinal) see Defect, reduction, lower limb, longitudinal, tibia
ulna (longitudinal) see Defect, reduction, upper limb, longitudinal, ulna
upper limb see Defect, reduction, upper limb
refraction see Disorder, refraction
renal Q63.9
artery Q27.2
pelvis Q63.9
specified NEC Q63.8
respiratory system Q34.9
specified NEC Q34.8
retina Q14.1
rib Q76.6
cervical Q76.5
Rieger Q13.81
rotation see Malrotation
hip or thigh Q65.89
round ligament Q52.8
sacroiliac (joint) NEC Q74.2
sacrum NEC Q76.49
kyphosis see Kyphosis, congenital
lordosis see Lordosis, congenital
saddle nose, syphilitic A50.57
salivary duct or gland Q38.4
scapula Q74.0
scrotum see Malformation, testis and scrotum
sebaceous gland Q82.9
seminal vesicles Q55.4
sense organs NEC Q07.8
sex chromosomes NEC see also Anomaly, chromosomes
female phenotype Q97.8
male phenotype Q98.9
shoulder (girdle) (joint) Q74.0
sigmoid (flexure) Q43.9
simian crease Q82.8
sinus of Valsalva Q25.49
skeleton generalized Q78.9
skin (appendage) Q82.9
skull Q75.9
with
anencephaly Q00.0
encephalocele see Encephalocele
hydrocephalus Q03.9
with spina bifida see Spina bifida, by site, with hydrocephalus
microcephaly Q02
specified organ or site NEC Q89.89
spermatic cord Q55.4
spine, spinal NEC Q76.49
column NEC Q76.49
kyphosis see Kyphosis, congenital
lordosis see Lordosis, congenital
cord Q06.9
nerve root Q07.8
spleen Q89.09
agenesis Q89.01
stenonian duct Q38.4
sternum NEC Q76.7
stomach Q40.3
submaxillary gland Q38.4
tarsus NEC Q74.2
tendon Q79.9
testis see Malformation, testis and scrotum
thigh NEC Q74.2
thorax (wall) Q67.8
bony Q76.9
throat Q38.8
thumb Q74.0
thymus gland Q89.2
thyroid (gland) Q89.2
cartilage Q31.8
tibia NEC Q74.2
saber A50.56
toe Q74.2
tongue Q38.3
tooth, teeth K00.9
eruption K00.6
position, fully erupted M26.30
spacing, fully erupted M26.30
trachea (cartilage) Q32.1
tragus Q17.9
tricuspid (leaflet) (valve) Q22.9
atresia or stenosis Q22.4
Ebstein's Q22.5
Uhl's (hypoplasia of myocardium, right ventricle) Q24.8
ulna Q74.0
umbilical artery Q27.0
union
cricoid cartilage and thyroid cartilage Q31.8
thyroid cartilage and hyoid bone Q31.8
trachea with larynx Q31.8
upper limb Q74.0
urachus Q64.4
ureter Q62.8
obstructive NEC Q62.39
cecoureterocele Q62.32
orthotopic ureterocele Q62.31
urethra Q64.70
absence Q64.5
double Q64.74
fistula to rectum Q64.73
obstructive Q64.39
stricture Q64.32
prolapse Q64.71
specified type NEC Q64.79
urinary tract Q64.9
uterus Q51.9
with only one functioning horn Q51.4
uvula Q38.5
vagina Q52.4
valleculae Q31.8
valve (heart) NEC Q24.8
coronary sinus Q24.5
inferior vena cava Q24.8
pulmonary Q22.3
sinus coronario Q24.5
venae cavae inferioris Q24.8
vas deferens Q55.4
vascular Q27.9
brain Q28.3
ring Q25.45
vein (s) (peripheral) Q27.9
brain Q28.3
cerebral Q28.3
coronary Q24.5
developmental Q28.3
great Q26.9
specified NEC Q26.8
vena cava (inferior) (superior) Q26.9
venous see Anomaly, vein(s)
venous return Q26.8
ventricular
bands or folds Q24.8
septa Q21.0
vertebra Q76.49
kyphosis see Kyphosis, congenital
lordosis see Lordosis, congenital
vesicourethral orifice Q64.79
vessel (s) Q27.9
optic papilla Q14.2
precerebral Q28.1
vitelline duct Q43.0
vitreous body or humor Q14.0
vulva Q52.70
wrist (joint) Q74.0
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Related Index Terms
ConditionEncephaloceleLordosisMalrotationAll index terms starting with AIndex to Diseases and InjuriesICD-10-CM Code Lookup
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.
