ICD-10-CM Alphabetic Index · FY 2026 558 Entries

Deformity in the ICD-10-CM Index ICD-10-CM

The main term Deformity carries 558 index entries pointing to 255 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

558

Index Entries

255

Codes Referenced

Q89.9

Default Code

Letter

558 of 558 shown

ICD-10-CM

Index Entries Under Deformity 558 entries · 255 codes

Deformity Q89.9

abdomen, congenital Q89.9

abdominal wall

acquired M95.8

congenital Q79.59

acquired (unspecified site) M95.9

adrenal gland Q89.1

alimentary tract, congenital Q45.9

upper Q40.9

ankle (joint) (acquired) see also Deformity, limb, lower leg

abduction see Contraction, joint, ankle

congenital Q68.8

contraction see Contraction, joint, ankle

specified type NEC see Deformity, limb, foot, specified NEC

anus (acquired) K62.89

congenital Q43.9

aorta (arch) (congenital) Q25.40

acquired I77.89

aortic

arch, acquired I77.89

cusp or valve (congenital) Q23.88

acquired I35.8 see also Endocarditis, aortic

arm (acquired) (upper) see also Deformity, limb, upper arm

congenital Q68.8

forearm see Deformity, limb, forearm

artery (congenital) (peripheral) NOS Q27.9

acquired I77.89

coronary (acquired) I25.9

congenital Q24.5

umbilical Q27.0

atrial septal Q21.10 see also Defect, atrial septal

auditory canal (external) (congenital) see also Malformation, ear, external

acquired see Disorder, ear, external, specified type NEC

auricle

ear (congenital) see also Malformation, ear, external

acquired see Disorder, pinna, deformity

back see Dorsopathy, deforming

bile duct (common) (congenital) (hepatic) Q44.5

acquired K83.8

biliary duct or passage (congenital) Q44.5

acquired K83.8

bladder (neck) (trigone) (sphincter) (acquired) N32.89

congenital Q64.79

bone (acquired) NOS M95.9

congenital Q79.9

turbinate M95.0

brain (congenital) Q04.9

acquired G93.89

reduction Q04.3

breast (acquired) N64.89

congenital Q83.9

reconstructed N65.0

bronchus (congenital) Q32.4

acquired NEC J98.09

bursa, congenital Q79.9

canaliculi (lacrimalis) (acquired) see also Disorder, lacrimal system, changes

congenital Q10.6

canthus, acquired see Disorder, eyelid, specified type NEC

capillary (acquired) I78.8

cardiovascular system, congenital Q28.9

caruncle, lacrimal (acquired) see also Disorder, lacrimal system, changes

congenital Q10.6

cascade, stomach K31.2

cecum (congenital) Q43.9

acquired K63.89

cerebral, acquired G93.89

congenital Q04.9

cervix (uterus) (acquired) NEC N88.8

congenital Q51.9

cheek (acquired) M95.2

congenital Q18.9

chest (acquired) (wall) M95.4

congenital Q67.8

sequelae (late effect) of rickets E64.3

chin (acquired) M95.2

congenital Q18.9

choroid (congenital) Q14.3

acquired H31.8

plexus Q07.8

acquired G96.198

cicatricial see Cicatrix

cilia, acquired see Disorder, eyelid, specified type NEC

clavicle (acquired) M95.8

congenital Q68.8

clitoris (congenital) Q52.6

acquired N90.89

clubfoot see Clubfoot

coccyx (acquired) see subcategory M43.8

colon (congenital) Q43.9

acquired K63.89

concha (ear), congenital see also Malformation, ear, external

acquired see Disorder, pinna, deformity

cornea (acquired) H18.70

congenital Q13.4

descemetocele see Descemetocele

ectasia see Ectasia, cornea

specified NEC H18.79- Non-billable

staphyloma see Staphyloma, cornea

coronary artery (acquired) I25.9

congenital Q24.5

cranium (acquired) see Deformity, skull

cricoid cartilage (congenital) Q31.8

acquired J38.7

cystic duct (congenital) Q44.5

acquired K82.8

Dandy-Walker Q03.1

with spina bifida see Spina bifida

diaphragm (congenital) Q79.1

acquired J98.6

digestive organ NOS Q45.9

ductus arteriosus Q25.0

duodenal bulb K31.89

duodenum (congenital) Q43.9

acquired K31.89

dura see Deformity, meninges

ear (acquired) see also Disorder, pinna, deformity

congenital (external) Q17.9

internal Q16.5

middle Q16.4

ossicles Q16.3

ectodermal (congenital) NEC Q84.9

ejaculatory duct (congenital) Q55.4

acquired N50.89

elbow (joint) (acquired) see also Deformity, limb, upper arm

congenital Q68.8

contraction see Contraction, joint, elbow

endocrine gland NEC Q89.2

epididymis (congenital) Q55.4

acquired N50.89

epiglottis (congenital) Q31.8

acquired J38.7

esophagus (congenital) Q39.9

acquired K22.89

eustachian tube (congenital) NEC Q17.8

eye, congenital Q15.9

eyebrow (congenital) Q18.8

eyelid (acquired) see also Disorder, eyelid, specified type NEC

congenital Q10.3

face (acquired) M95.2

congenital Q18.9

fallopian tube, acquired N83.8

femur (acquired) see Deformity, limb, specified type NEC, thigh

fetal

with fetopelvic disproportion O33.7 Non-billable

causing obstructed labor O66.3

finger (acquired) M20.00- Non-billable

boutonniere M20.02- Non-billable

congenital Q68.1

flexion contracture see Contraction, joint, hand

mallet finger M20.01- Non-billable

specified NEC M20.09- Non-billable

swan-neck M20.03- Non-billable

flexion (joint) (acquired) M21.20 see also Deformity, limb, flexion

congenital NOS Q74.9

hip Q65.89

foot (acquired) see also Deformity, limb, lower leg

cavovarus (congenital) Q66.1- Non-billable

congenital NOS Q66.9- Non-billable

specified type NEC Q66.89

specified type NEC see Deformity, limb, foot, specified NEC

valgus (congenital) Q66.6

acquired see Deformity, valgus, ankle

varus (congenital) NEC Q66.3- Non-billable

acquired see Deformity, varus, ankle

forearm (acquired) see also Deformity, limb, forearm

congenital Q68.8

forehead (acquired) M95.2

congenital Q75.8

frontal bone (acquired) M95.2

congenital Q75.8

gallbladder (congenital) Q44.1

acquired K82.8

gastrointestinal tract (congenital) NOS Q45.9

acquired K63.89

genitalia, genital organ (s) or system NEC

female (congenital) Q52.9

acquired N94.89

external Q52.70

male (congenital) Q55.9

acquired N50.89

globe (eye) (congenital) Q15.8

acquired H44.89

gum, acquired NEC K06.8

hand (acquired) see Deformity, limb, hand

congenital Q68.1

head (acquired) M95.2

congenital Q75.8

heart (congenital) Q24.9

septum Q21.9

auricular Q21.10 see also Defect, atrial septal

ventricular Q21.0

valve (congenital) NEC Q24.8

acquired see Endocarditis

heel (acquired) see Deformity, foot

hepatic duct (congenital) Q44.5

acquired K83.8

hip (joint) (acquired) see also Deformity, limb, thigh

congenital Q65.9

due to (previous) juvenile osteochondrosis see Coxa, plana

flexion see Contraction, joint, hip

hourglass see Contraction, hourglass

humerus (acquired) M21.82- Non-billable

congenital Q74.0

hypophyseal (congenital) Q89.2

ileocecal (coil) (valve) (acquired) K63.89

congenital Q43.9

ileum (congenital) Q43.9

acquired K63.89

ilium (acquired) M95.5

congenital Q74.2

integument (congenital) Q84.9

intervertebral cartilage or disc (acquired) see Disorder, disc, specified NEC

intestine (large) (small) (congenital) NOS Q43.9

acquired K63.89

intrinsic minus or plus (hand) see Deformity, limb, specified type NEC, forearm

iris (acquired) H21.89

congenital Q13.2

ischium (acquired) M95.5

congenital Q74.2

jaw (acquired) (congenital) M26.9

joint (acquired) NEC M21.90

congenital Q68.8

elbow M21.92- Non-billable

hand M21.94- Non-billable

hip M21.95- Non-billable

knee M21.96- Non-billable

shoulder M21.92- Non-billable

wrist M21.93- Non-billable

kidney (s) (calyx) (pelvis) (congenital) Q63.9

acquired N28.89

artery (congenital) Q27.2

acquired I77.89

Klippel-Feil (brevicollis) Q76.1

knee (acquired) NEC see also Deformity, limb, lower leg

congenital Q68.2

labium (majus) (minus) (congenital) Q52.79

acquired N90.89

lacrimal passages or duct (congenital) NEC Q10.6

acquired see Disorder, lacrimal system, changes

larynx (muscle) (congenital) Q31.8

acquired J38.7

web (glottic) Q31.0

leg (upper) (acquired) NEC see also Deformity, limb, thigh

congenital Q68.8

lower leg see Deformity, limb, lower leg

lens (acquired) H27.8

congenital Q12.9

lid (fold) (acquired) see also Disorder, eyelid, specified type NEC

congenital Q10.3

ligament (acquired) see Disorder, ligament

congenital Q79.9

limb (acquired) M21.90

clawfoot M21.53- Non-billable

clawhand M21.51- Non-billable

congenital Q68.1

clubfoot M21.54- Non-billable

clubhand M21.52- Non-billable

congenital, except reduction deformity Q74.9

flat foot M21.4- Non-billable

flexion M21.20

ankle M21.27- Non-billable

elbow M21.22- Non-billable

finger M21.24- Non-billable

hip M21.25- Non-billable

knee M21.26- Non-billable

shoulder M21.21- Non-billable

toe M21.27- Non-billable

wrist M21.23- Non-billable

foot

claw see Deformity, limb, clawfoot

club see Deformity, limb, clubfoot

drop M21.37- Non-billable

flat see Deformity, limb, flat foot

specified NEC M21.6X- Non-billable

forearm M21.93- Non-billable

hand M21.94- Non-billable

lower leg M21.96- Non-billable

specified type NEC M21.80

forearm M21.83- Non-billable

lower leg M21.86- Non-billable

thigh M21.85- Non-billable

upper arm M21.82- Non-billable

thigh M21.95- Non-billable

unequal length M21.70

short site is

femur M21.75- Non-billable

fibula M21.76- Non-billable

humerus M21.72- Non-billable

radius M21.73- Non-billable

tibia M21.76- Non-billable

ulna M21.73- Non-billable

upper arm M21.92- Non-billable

valgus see Deformity, valgus

varus see Deformity, varus

wrist drop M21.33- Non-billable

lip (acquired) NEC K13.0

congenital Q38.0

liver (congenital) Q44.70

acquired K76.89

lumbosacral (congenital) (joint) (region) Q76.49

acquired see subcategory M43.8

kyphosis see Kyphosis, congenital

lordosis see Lordosis, congenital

lung (congenital) Q33.9

acquired J98.4

lymphatic system, congenital Q89.9

Madelung's (radius) Q74.0

mandible (acquired) (congenital) M26.9

maxilla (acquired) (congenital) M26.9

meninges or membrane (congenital) Q07.9

cerebral Q04.8

acquired G96.198

spinal cord (congenital) Q06.-

acquired G96.198

metacarpus (acquired) see Deformity, limb, forearm

congenital Q74.0

metatarsus (acquired) see Deformity, foot

congenital Q66.9- Non-billable

middle ear (congenital) Q16.4

ossicles Q16.3

mitral (leaflets) (valve) I05.8

parachute Q23.2

stenosis, congenital Q23.2

mouth (acquired) K13.79

congenital Q38.6

multiple, congenital NEC Q89.7

muscle (acquired) M62.89

congenital Q79.9

sternocleidomastoid Q68.0

musculoskeletal system (acquired) M95.9

congenital Q79.9

specified NEC M95.8

nail (acquired) L60.8

congenital Q84.6

nasal see Deformity, nose

neck (acquired) M95.3

congenital Q18.9

sternocleidomastoid Q68.0

nervous system (congenital) Q07.9

nipple (congenital) Q83.9

acquired N64.89

nose (acquired) (cartilage) M95.0

bone (turbinate) M95.0

congenital Q30.9

bent or squashed Q67.4

saddle M95.0

syphilitic A50.57

septum (acquired) J34.2

congenital Q30.8

sinus (wall) (congenital) Q30.8

acquired M95.0

syphilitic (congenital) A50.57

late A52.73

ocular muscle (congenital) Q10.3

acquired see Strabismus, mechanical

opticociliary vessels (congenital) Q13.2

orbit (eye) (acquired) H05.30

atrophy see Atrophy, orbit

congenital Q10.7

due to

bone disease NEC H05.32- Non-billable

trauma or surgery H05.33- Non-billable

enlargement see Enlargement, orbit

exostosis see Exostosis, orbit

organ of Corti (congenital) Q16.5

ovary (congenital) Q50.39

acquired N83.8

oviduct, acquired N83.8

palate (congenital) Q38.5

acquired M27.8

cleft (congenital) see Cleft, palate

pancreas (congenital) Q45.3

acquired K86.89

parathyroid (gland) Q89.2

parotid (gland) (congenital) Q38.4

acquired K11.8

patella (acquired) see Disorder, patella, specified NEC

pelvis, pelvic (acquired) (bony) M95.5

with disproportion (fetopelvic) O33.0

causing obstructed labor O65.0

congenital Q74.2

rachitic sequelae (late effect) E64.3

penis (glans) (congenital) Q55.69

acquired N48.89

pericardium (congenital) Q24.8

acquired see Pericarditis

pharynx (congenital) Q38.8

acquired J39.2

pinna, acquired see also Disorder, pinna, deformity

congenital Q17.9

pituitary (congenital) Q89.2

posture see Dorsopathy, deforming

prepuce (congenital) Q55.69

acquired N47.8

prostate (congenital) Q55.4

acquired N42.89

pupil (congenital) Q13.2

acquired see Abnormality, pupillary

pylorus (congenital) Q40.3

acquired K31.89

rachitic (acquired), old or healed E64.3

radius (acquired) see also Deformity, limb, forearm

congenital Q68.8

rectum (congenital) Q43.9

acquired K62.89

reduction (extremity) (limb), congenital Q73.8 see also condition and site

brain Q04.3

lower see Defect, reduction, lower limb

upper see Defect, reduction, upper limb

renal see Deformity, kidney

respiratory system (congenital) Q34.9

rib (acquired) M95.4

congenital Q76.6

cervical Q76.5

rotation (joint) (acquired) see Deformity, limb, specified site NEC

congenital Q74.9

hip see Deformity, limb, specified type NEC, thigh

congenital Q65.89

sacroiliac joint (congenital) Q74.2

acquired see subcategory M43.8

sacrum (acquired) see subcategory M43.8

saddle

back see Lordosis

nose M95.0

syphilitic A50.57

salivary gland or duct (congenital) Q38.4

acquired K11.8

scapula (acquired) M95.8

congenital Q68.8

scrotum (congenital) see also Malformation, testis and scrotum

acquired N50.89

seminal vesicles (congenital) Q55.4

acquired N50.89

septum, nasal (acquired) J34.2

shoulder (joint) (acquired) see Deformity, limb, upper arm

congenital Q74.0

contraction see Contraction, joint, shoulder

sigmoid (flexure) (congenital) Q43.9

acquired K63.89

skin (congenital) Q82.9

skull (acquired) M95.2

congenital Q75.8

with

anencephaly Q00.0

encephalocele see Encephalocele

hydrocephalus Q03.9

with spina bifida see Spina bifida, by site, with hydrocephalus

microcephaly Q02

soft parts, organs or tissues (of pelvis)

in pregnancy or childbirth NEC O34.8- Non-billable

causing obstructed labor O65.5

spermatic cord (congenital) Q55.4

acquired N50.89

torsion see Torsion, spermatic cord

spinal see Dorsopathy, deforming

column (acquired) see Dorsopathy, deforming

congenital Q67.5

cord (congenital) Q06.9

acquired G95.89

nerve root (congenital) Q07.9

spine (acquired) see also Dorsopathy, deforming

congenital Q67.5

rachitic E64.3

specified NEC see Dorsopathy, deforming, specified NEC

spleen

acquired D73.89

congenital Q89.09

Sprengel's (congenital) Q74.0

sternocleidomastoid (muscle), congenital Q68.0

sternum (acquired) M95.4

congenital NEC Q76.7

stomach (congenital) Q40.3

acquired K31.89

submandibular gland (congenital) Q38.4

submaxillary gland (congenital) Q38.4

acquired K11.8

talipes see Talipes

testis (congenital) see also Malformation, testis and scrotum

acquired N44.8

torsion see Torsion, testis

thigh (acquired) see also Deformity, limb, thigh

congenital NEC Q68.8

thorax (acquired) (wall) M95.4

congenital Q67.8

sequelae of rickets E64.3

thumb (acquired) see also Deformity, finger

congenital NEC Q68.1

thymus (tissue) (congenital) Q89.2

thyroid (gland) (congenital) Q89.2

cartilage Q31.8

acquired J38.7

tibia (acquired) see also Deformity, limb, specified type NEC, lower leg

congenital NEC Q68.8

saber (syphilitic) A50.56

toe (acquired) M20.6- Non-billable

congenital Q66.9- Non-billable

hallux rigidus M20.2- Non-billable

hallux valgus M20.1- Non-billable

hallux varus M20.3- Non-billable

hammer toe M20.4- Non-billable

specified NEC M20.5X- Non-billable

tongue (congenital) Q38.3

acquired K14.8

tooth, teeth K00.2

trachea (rings) (congenital) Q32.1

acquired J39.8

transverse aortic arch (congenital) Q25.49

tricuspid (leaflets) (valve) I07.8

atresia or stenosis Q22.4

Ebstein's Q22.5

trunk (acquired) M95.8

congenital Q89.9

ulna (acquired) see also Deformity, limb, forearm

congenital NEC Q68.8

urachus, congenital Q64.4

ureter (opening) (congenital) Q62.8

acquired N28.89

urethra (congenital) Q64.79

acquired N36.8

urinary tract (congenital) Q64.9

urachus Q64.4

uterus (congenital) Q51.9

acquired N85.8

uvula (congenital) Q38.5

vagina (acquired) N89.8

congenital Q52.4

valgus NEC M21.00

ankle M21.07- Non-billable

elbow M21.02- Non-billable

hip M21.05- Non-billable

knee M21.06- Non-billable

valve, valvular (congenital) (heart) Q24.8

acquired see Endocarditis

varus NEC M21.10

ankle M21.17- Non-billable

elbow M21.12- Non-billable

hip M21.15 Non-billable

knee M21.16- Non-billable

tibia see Osteochondrosis, juvenile, tibia

vas deferens (congenital) Q55.4

acquired N50.89

vein (congenital) Q27.9

great Q26.9

vertebra see Dorsopathy, deforming

vertical talus (congenital) Q66.80

left foot Q66.82

right foot Q66.81

vesicourethral orifice (acquired) N32.89

congenital NEC Q64.79

vessels of optic papilla (congenital) Q14.2

visual field (contraction) see Defect, visual field

vitreous body, acquired H43.89

vulva (congenital) Q52.79

acquired N90.89

wrist (joint) (acquired) see also Deformity, limb, forearm

congenital Q68.8

contraction see Contraction, joint, wrist

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Related Index Terms

Coxa Descemetocele Dorsopathy Encephalocele Exostosis Lordosis Osteochondrosis All index terms starting with D Index to Diseases and Injuries ICD-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.