ICD-10-CM Alphabetic Index · FY 2026 205 Entries
Agenesis in the ICD-10-CM Index ICD-10-CM
The main term Agenesis carries 205 index entries pointing to 115 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
205
Index Entries
115
Codes Referenced
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Default Code
A
Letter
205 of 205 shown
ICD-10-CM
Index Entries Under Agenesis 205 entries · 115 codes
Agenesis
adrenal (gland) Q89.1
alimentary tract (complete) (partial) NEC Q45.8
upper Q40.8
anus, anal (canal) Q42.3
with fistula Q42.2
aorta Q25.41
appendix Q42.8
arm (complete) Q71.0- Non-billable
with hand present Q71.1- Non-billable
artery (peripheral) Q27.9
brain Q28.3
coronary Q24.5
pulmonary Q25.79
specified NEC Q27.8
umbilical Q27.0
auditory (canal) (external) Q16.1
auricle (ear) Q16.0
bile duct or passage Q44.5
bladder Q64.5
bone Q79.9
brain Q00.0
part of Q04.3
breast (with nipple present) Q83.8
with absent nipple Q83.0
bronchus Q32.4
canaliculus lacrimalis Q10.4
carpus see Agenesis, hand
cartilage Q79.9
cecum Q42.8
cerebellum Q04.3
cervix Q51.5
chin Q18.8
cilia Q10.3
circulatory system, part NOS Q28.9
clavicle Q74.0
clitoris Q52.6
coccyx Q76.49
colon Q42.9
specified NEC Q42.8
corpus callosum Q04.0
cricoid cartilage Q31.8
diaphragm (with hernia) Q79.1
digestive organ (s) or tract (complete) (partial) NEC Q45.8
upper Q40.8
ductus arteriosus Q28.8
duodenum Q41.0
ear Q16.9
auricle Q16.0
lobe Q17.8
ejaculatory duct Q55.4
endocrine (gland) NEC Q89.2
epiglottis Q31.8
esophagus Q39.8
eustachian tube Q16.2
eye Q11.1
adnexa Q15.8
eyelid (fold) Q10.3
face
bones NEC Q75.8
specified part NEC Q18.8
fallopian tube Q50.6
femur see Defect, reduction, lower limb, longitudinal, femur
fibula see Defect, reduction, lower limb, longitudinal, fibula
finger (complete) (partial) see Agenesis, hand
foot (and toes) (complete) (partial) Q72.3- Non-billable
forearm (with hand present) see Agenesis, arm, with hand present
and hand Q71.2- Non-billable
gallbladder Q44.0
gastric Q40.2
genitalia, genital (organ (s))
female Q52.8
external Q52.71
internal NEC Q52.8
male Q55.8
glottis Q31.8
hair Q84.0
hand (and fingers) (complete) (partial) Q71.3- Non-billable
heart Q24.8
valve NEC Q24.8
pulmonary Q22.0
hepatic Q44.79
humerus see Defect, reduction, upper limb
hymen Q52.4
ileum Q41.2
incus Q16.3
intestine (small) Q41.9
large Q42.9
specified NEC Q42.8
iris (dilator fibers) Q13.1
jaw M26.09
jejunum Q41.1
kidney (s) (partial) Q60.2
bilateral Q60.1
unilateral Q60.0
labium (majus) (minus) Q52.71
labyrinth, membranous Q16.5
lacrimal apparatus Q10.4
larynx Q31.8
leg (complete) Q72.0- Non-billable
with foot present Q72.1- Non-billable
lower leg (with foot present) see Agenesis, leg, with foot present
and foot Q72.2- Non-billable
lens Q12.3
limb (complete) Q73.0
lower see Agenesis, leg
upper see Agenesis, arm
lip Q38.0
liver Q44.79
lung (fissure) (lobe) (bilateral) (unilateral) Q33.3
mandible, maxilla M26.09
metacarpus see Agenesis, hand
metatarsus see Agenesis, foot
muscle Q79.8
eyelid Q10.3
ocular Q15.8
musculoskeletal system NEC Q79.8
nail (s) Q84.3
neck, part Q18.8
nerve Q07.8
nervous system, part NEC Q07.8
nipple Q83.2
nose Q30.1
nuclear Q07.8
organ
of Corti Q16.5
or site not listed see Anomaly, by site
osseous meatus (ear) Q16.1
ovary
bilateral Q50.02
unilateral Q50.01
oviduct Q50.6
pancreas Q45.0
parathyroid (gland) Q89.2
parotid gland (s) Q38.4
patella Q74.1
pelvic girdle (complete) (partial) Q74.2
penis Q55.5
pericardium Q24.8
pituitary (gland) Q89.2
prostate Q55.4
punctum lacrimale Q10.4
radioulnar see Defect, reduction, upper limb
radius see Defect, reduction, upper limb, longitudinal, radius
rectum Q42.1
with fistula Q42.0
renal Q60.2
bilateral Q60.1
unilateral Q60.0
respiratory organ NEC Q34.8
rib Q76.6
roof of orbit Q75.8
round ligament Q52.8
sacrum Q76.49
salivary gland Q38.4
scapula Q74.0
scrotum Q55.29
seminal vesicles Q55.4
septum
atrial Q21.19
between aorta and pulmonary artery Q21.4
ventricular Q20.4
shoulder girdle (complete) (partial) Q74.0
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
spermatic cord Q55.4
spinal cord Q06.0
spine Q76.49
spleen Q89.01
sternum Q76.7
stomach Q40.2
submaxillary gland (s) (congenital) Q38.4
tarsus see Agenesis, foot
tendon Q79.8
testicle Q55.0
thymus (gland) Q89.2
thyroid (gland) E03.1
cartilage Q31.8
tibia see Defect, reduction, lower limb, longitudinal, tibia
tibiofibular see Defect, reduction, lower limb, specified type NEC
toe (and foot) (complete) (partial) see Agenesis, foot
tongue Q38.3
trachea (cartilage) Q32.1
ulna see Defect, reduction, upper limb, longitudinal, ulna
upper limb see Agenesis, arm
ureter Q62.4
urethra Q64.5
urinary tract NEC Q64.8
uterus Q51.0
uvula Q38.5
vagina Q52.0
vas deferens Q55.4
vein (s) (peripheral) Q27.9
brain Q28.3
great NEC Q26.8
portal Q26.5
vena cava (inferior) (superior) Q26.8
vermis of cerebellum Q04.3
vertebra Q76.49
vulva Q52.71
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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.
