ICD-10-CM Alphabetic Index · FY 2026 Letter W
Index Terms Starting With W ICD-10-CM
Home › ICD-10-CM Codes List › Index to Diseases and Injuries › WThe letter W section of the FY 2026 Alphabetic Index carries 109 main terms , from Waiting list to Wuchernde Struma Langhans. Terms with a direct code link straight to the code page, cross references point to the main term that holds the codes, and terms with a handful of sub-entries render in full right here. The largest terms open their own full index page.
✓ Built from the official CMS FY 2026 index file Effective Oct 1, 2025 – Sep 30, 2026
All entry types Direct code Cross-references With sub-entries 109 of 109 shown Clear
Waiting list, person on Sub-entries Z75.1 undergoing social agency investigation
Z75.2 Waldenström Sub-entries
hypergammaglobulinemia
D89.0 syndrome or macroglobulinemia
C88.0 Non-billable Waldenström-Kjellberg syndrome Code D50.1 Walking Sub-entries
Wall, abdominal Cross-ref See: condition Wallenberg's disease or syndrome Code G46.3 Wallgren's disease Code I87.8 gallbladder, congenital
Q44.1 in diseases classified elsewhere
Z91.83 organ or site, congenital NEC see Malposition, congenital, by site
anogenital region (venereal)
A63.0 external genital organs (venereal)
A63.0 Warthin's tumor Cross-ref See: Neoplasm, salivary gland or duct, benign
Wassilieff's disease Code A27.0 clefts (senile cataract) see Cataract, senile, incipient
deprivation of
T73.1 Non-billable Waterhouse (-Friderichsen) syndrome or disease (meningococcal) Code A39.1 Water-losing nephritis Code N25.89 Watermelon stomach Sub-entries K31.819 Wax in ear Cross-ref See: Impaction, cerumen
arches (acquired) see also Deformity, limb, flat foot
following
Wear, worn (with normal or routine use) Sub-entries
articular bearing surface of internal joint prosthesis see Complications, joint prosthesis, mechanical, wear of articular bearing surfaces, by site
device, implant or graft see Complications, by site, mechanical complication
tooth, teeth (approximal) (hard tissues) (interproximal) (occlusal)
K03.0 effects of
specified effect NEC
T69.8 Non-billable hot see Heat
Weaver's syndrome Code Q87.3 fingers
Q70.1 Non-billable larynx (glottic) (subglottic)
Q31.0 Weber-Christian disease Code M35.6 Weber-Cockayne syndrome (epidermolysis bullosa) Code Q81.8 Weber-Gubler syndrome Code G46.3 Weber-Leyden syndrome Code G46.3 Weber-Osler syndrome Code I78.0 Weber's paralysis or syndrome Code G46.3 Wedge-shaped or wedging vertebra Cross-ref See: Collapse, vertebra NEC Wegener's granulomatosis or syndrome Sub-entries M31.30 with
with kidney involvement
M31.31 Wegner's disease Code A50.02 1000-2499 grams at birth (low) see Low, birthweight
999 grams or less at birth (extremely low) see Low, birthweight, extreme
and length below 10th percentile for gestational age
P05.1 Non-billable below but length above 10th percentile for gestational age
P05.0 Non-billable Weightlessness (effect of) Code T75.82 Non-billable Weil (l)-Marchesani syndrome Code Q87.19 Weingarten's syndrome Code J82.89 Weir Mitchell's disease Code I73.81 Weiss-Baker syndrome Code G90.09 Wen Cross-ref See: Cyst, sebaceous
Wenckebach's block or phenomenon Code I44.1 Werdnig-Hoffmann syndrome (muscular atrophy) Code G12.0 Werlhof's disease Code D69.3 Wermer's disease or syndrome Code E31.21 Werner-His disease Code A79.0 Werner's disease or syndrome Code E34.8 drug-induced
due to drug abuse see Abuse, drug, by type, with amnestic disorder
due to drug dependence see Dependence, drug, by type, with amnestic disorder
Wernicke-Posadas disease Code B38.9 Wernicke's Sub-entries
developmental aphasia
F80.2 disease or syndrome
E51.2 polioencephalitis, superior
E51.2 West African fever Code B50.8 Westphal-Strümpell syndrome Code E83.01 West's syndrome Cross-ref See: Epilepsy, spasms
Wet Sub-entries
feet, tropical (maceration) (syndrome) see Immersion, foot
lung (syndrome), newborn
P22.1 Wharton's duct Cross-ref See: condition Wheal Cross-ref See: Urticaria Whiplash injury Code S13.4 Non-billable Whipple's disease Code K90.81 See also: subcategory M14.8- Whipworm (disease) (infection) (infestation) Code B79 White Sub-entries see also condition leg, puerperal, postpartum, childbirth
O87.1 Whitlow Sub-entries see also Cellulitis, digit
with lymphangitis see Lymphangitis, acute, digit
Whitmore's disease or fever Cross-ref See: Melioidosis Wichman's asthma Code J38.5 Wide cranial sutures, newborn Code P96.3 Widening aorta Sub-entries see Ectasia, aorta
with aneurysm see Aneurysm, aorta
Wilkie's disease or syndrome Code K55.1 Wilkinson-Sneddon disease or syndrome Code L13.1 Willebrand (-Jürgens) thrombopathy Cross-ref See: Disease, von Willebrand
Williams syndrome Code Q93.82 Willige-Hunt disease or syndrome Code G23.1 Wilms' tumor Code C64 Non-billable Wilson-Mikity syndrome Code P27.0 Wilson's Sub-entries
hepatolenticular degeneration
E83.01 Window Sub-entries see also Imperfect, closure
Winter Cross-ref See: condition Wiskott-Aldrich syndrome Code D82.0 Withdrawal state Sub-entries see also Dependence, drug by type, with withdrawal alcohol
with perceptual disturbances
F10.232 Woakes' ethmoiditis or syndrome Code J33.1 Wolff-Hirschorn syndrome Code Q93.3 Wolff-Parkinson-White syndrome Code I45.6 Wolhynian fever Code A79.0 Wolman's disease Code E75.5 Wood lung or pneumonitis Code J67.8 Woolly, wooly hair (congenital) (nevus) Code Q84.1 Woolsorter's disease Code A22.1 Word Sub-entries
blindness (congenital) (developmental)
F81.0 deafness (congenital) (developmental)
H93.25 Worm (s) (infection) (infestation) Sub-entries see also Infestation, helminth
Worm-eaten soles Code A66.3 Worn out Sub-entries see Exhaustion cardiac
defibrillator (with synchronous cardiac pacemaker)
Z45.02 pacemaker
Wound check Sub-entries Z48.0 Non-billable due to injury - code to Injury, by site, using appropriate seventh character for subsequent encounter
postoperative see Aftercare
Wound, open Sub-entries T14.8 Non-billable abdomen, abdominal
with penetration into peritoneal cavity
S31.609 Non-billable bite see Bite, abdomen, wall
Wound, superficial Cross-ref See also: specified injury type Injury
Wright's syndrome Code G54.0 Wrist Cross-ref See: condition Wrong drug (by accident) (given in error) Cross-ref See: Table of Drugs and Chemicals, by drug, poisoning
Wry neck Cross-ref See: Torticollis
Wuchereria (bancrofti) infestation Code B74.0 Wuchernde Struma Langhans Code C73 Related References 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.
