ICD-10-CM Alphabetic Index to Diseases and Injuries
Main terms: H
Look up a condition by its main term, then follow the indented subterms to the most specific code. Always confirm the code in the tabular list.
- H (Hartnup's) disease E72.02
- Haas' disease or osteochondrosis (juvenile) (head of humerus)
- H-ABC (hypomyelination with atrophy of the basal ganglia and cerebellum) G23.3
- Habit, habituation · 8
- Haemophilus (H.) influenzae, as cause of disease classified elsewhere B96.3
- Haff disease
- HAFOUS (Hao-Fountain syndrome) Q87.87
- Hageman's factor defect, deficiency or disease D68.2
- Haglund's disease or osteochondrosis (juvenile) (os tibiale externum)
- Hailey-Hailey disease Q82.8
- Hair · 7
- Hairball in stomach T18.2
- Hair-pulling, pathological (compulsive) F63.3
- Hairy black tongue K14.3
- Half vertebra Q76.49
- Halitosis R19.6
- Hallerman-Streiff syndrome Q87.0
- Hallervorden-Spatz disease G23.0
- Hallopeau's acrodermatitis or disease L40.2
- Hallucination R44.3 · 6
- Hallucinosis (chronic) F28 · 30
- Hallux · 10
- Halo, visual H53.19
- Hamartoma, hamartoblastoma Q85.9 · 1
- Hamartosis Q85.9
- Hamman-Rich syndrome J84.114
- Hammer toe (acquired) NEC · 2
- Hand
- Hand-foot syndrome L27.1
- Handicap, handicapped · 2
- Hand-Schüller-Christian disease or syndrome C96.5
- Hanging (asphyxia) (strangulation) (suffocation)
- Hangnail · 1
- Hangover (alcohol) F10.129
- Hanhart's syndrome Q87.0
- Hanot-Chauffard (-Troisier) syndrome E83.19
- Hanot's cirrhosis or disease K74.3
- Hansen's disease
- Hantaan virus disease (Korean hemorrhagic fever) A98.5
- Hantavirus disease (with renal manifestations) (Dobrava) (Puumala) (Seoul) A98.5 · 1
- Happy puppet syndrome Q93.51
- Harada's disease or syndrome H30.81-
- Hardening · 2
- Hardship, material, due to limited financial resources, specified NEC Z59.87
- Harelip (complete) (incomplete)
- Harlequin (newborn) Q80.4
- Harley's disease D59.6
- Harmful use (of) · 11
- Harris' lines
- Hartnup's disease E72.02
- Harvester's lung J67.0
- Harvesting ovum for in vitro fertilization Z31.83
- Hashimoto's disease or thyroiditis E06.3
- Hashitoxicosis (transient) E06.3
- Hassal-Henle bodies or warts (cornea) H18.49
- Haut mal
- Haverhill fever A25.1
- Hay fever J30.1
- Hayem-Widal syndrome D59.8
- Haygarth's nodes M15.8
- Haymaker's lung J67.0
- Hb (abnormal) · 3
- Head
- Headache R51.9 · 84
- Healthy · 4
- Hearing examination Z01.10 · 5
- Heart · 1
- Heart beat · 5
- Heartburn R12 · 1
- Heartland virus disease A93.8
- Heat (effects) T67.9 · 28
- Heavy-for-dates NEC (infant) (4000g to 4499g) P08.1 · 1
- Hebephrenia, hebephrenic (schizophrenia) F20.1
- Heberden's disease or nodes (with arthropathy) M15.1
- Hebra's · 2
- Heel
- Heerfordt's disease D86.89
- HeFH (heterozygous familial hypercholesterolemia) E78.011
- Hegglin's anomaly or syndrome D72.0
- Heilmeyer-Schoner disease D45
- Heine-Medin disease A80.9
- Heinz body anemia, congenital D58.2
- Heliophobia F40.228
- Heller's disease or syndrome F84.3
- HELLP syndrome (hemolysis, elevated liver enzymes and low platelet count) O14.2- · 3
- Helminthiasis · 7
- Heloma L84
- Hemangioblastoma · 1
- Hemangioendothelioma · 9
- Hemangiofibroma
- Hemangiolipoma
- Hemangioma D18.00 · 68
- Hemangiomatosis (systemic) I78.8 · 1
- Hemangiopericytoma · 2
- Hemangiosarcoma
- Hemarthrosis (nontraumatic) M25.00 · 12
- Hematemesis K92.0 · 3
- Hematidrosis L74.8
- Hematinuria · 1
- Hematobilia K83.8
- Hematocele · 5
- Hematochezia K92.1
- Hematochyluria · 1
- Hematocolpos (with hematometra or hematosalpinx) N89.7
- Hematocornea
- Hematogenous
- Hematoma (traumatic) (skin surface intact) · 115
- Hematometra N85.7 · 1
- Hematomyelia (central) G95.19 · 2
- Hematomyelitis G04.90
- Hematoperitoneum
- Hematophobia F40.230
- Hematopneumothorax (see Hemothorax)
- Hematopoiesis, cyclic D70.4
- Hematoporphyria
- Hematorachis, hematorrhachis G95.19 · 1
- Hematosalpinx N83.6 · 5
- Hematospermia R36.1
- Hematothorax (see Hemothorax)
- Hematuria R31.9 · 33
- Hemeralopia (day blindness) H53.11 · 1
- Hemi-akinesia R41.4
- Hemianalgesia R20.0
- Hemianencephaly Q00.0
- Hemianesthesia R20.0
- Hemianopia, hemianopsia (heteronymous) H53.47 · 2
- Hemiathetosis R25.8
- Hemiatrophy R68.89 · 3
- Hemiballism (us) G25.5
- Hemicardia Q24.8
- Hemicephalus, hemicephaly Q00.0
- Hemichorea G25.5
- Hemicolitis, left
- Hemicrania · 12
- Hemidystrophy
- Hemiectromelia Q73.8
- Hemihypalgesia R20.8
- Hemihypesthesia R20.1
- Hemi-inattention R41.4
- Hemimegalencephaly Q04.5
- Hemimelia Q73.8 · 2
- Hemiparalysis
- Hemiparesis
- Hemiparesthesia R20.2
- Hemiparkinsonism G20.C
- Hemiplegia G81.9- · 21
- Hemisection, spinal cord
- Hemispasm (facial) R25.2
- Hemisporosis B48.8
- Hemitremor R25.1
- Hemivertebra Q76.49 · 2
- Hemochromatosis E83.119 · 6
- Hemoglobin · 8
- Hemoglobinemia D59.9 · 3
- Hemoglobinopathy (mixed) D58.2 · 13
- Hemoglobinuria R82.3 · 10
- Hemolymphangioma D18.1
- Hemolysis · 10
- Hemolytic
- Hemopericardium I31.2 · 3
- Hemoperitoneum K66.1 · 3
- Hemophilia (classical) (familial) (hereditary) D66 · 9
- Hemophthalmos H44.81-
- Hemopneumothorax · 1
- Hemoptysis R04.2 · 2
- Hemorrhage, hemorrhagic (concealed) R58 · 420
- Hemorrhoids (bleeding) (without mention of degree) K64.9 · 19
- Hemosalpinx N83.6 · 4
- Hemosiderosis (dietary) E83.19 · 2
- Hemothorax (bacterial) (nontuberculous) J94.2 · 4
- Henoch (-Schönlein) disease or syndrome (purpura) D69.0
- Henpue, henpuye A66.6
- Hepar lobatum (syphilitic) A52.74
- Hepatalgia K76.89
- Hepatitis K75.9 · 131
- Hepatization lung (acute)
- Hepatoblastoma C22.2
- Hepatocarcinoma C22.0
- Hepatocholangiocarcinoma C22.0
- Hepatocholangioma, benign D13.4
- Hepatocholangitis K75.89
- Hepatolenticular degeneration E83.01
- Hepatoma (malignant) C22.0 · 2
- Hepatomegaly · 5
- Hepatoptosis K76.89
- Hepatorenal syndrome following labor and delivery O90.41
- Hepatosis K76.89
- Hepatosplenomegaly R16.2 · 1
- Hereditary
- Hereditary alpha tryptasemia (syndrome) D89.44
- Heredodegeneration, macular
- Heredopathia atactica polyneuritiformis G60.1
- Heredosyphilis
- Herlitz' syndrome Q81.1
- Hermansky-Pudlak syndrome E70.331
- Hermaphrodite, hermaphroditism (true) Q56.0 · 4
- Hernia, hernial (acquired) (recurrent) K46.9 · 215
- Herniation · 13
- Herpangina B08.5
- Herpes, herpesvirus, herpetic B00.9 · 102
- Herpesvirus (human)
- Herpetophobia F40.218
- Herrick's anemia
- Hers' disease E74.09
- Herter-Gee syndrome K90.0
- Herxheimer's reaction R68.89
- Hesitancy · 2
- Hesselbach's hernia
- Heterochromia (congenital) Q13.2 · 7
- Heterophoria
- Heterophyes, heterophyiasis (small intestine) B66.8
- Heterotopia, heterotopic · 1
- Heterotropia
- Heubner-Herter disease K90.0
- Hexadactylism Q69.9
- HGSIL (cytology finding) (high grade squamous intraepithelial lesion on cytologic smear) (Pap smear finding) · 5
- Hibernoma
- Hiccup, hiccough R06.6 · 2
- Hidden penis (congenital) Q55.64 · 1
- Hidradenitis (axillaris) (suppurative) L73.2
- Hidradenoma (nodular) · 2
- Hidrocystoma
- High · 32
- Hildenbrand's disease A75.0
- Hilum
- Hip
- Hippel's disease Q85.83
- Hippophobia F40.218
- Hippus H57.09
- Hirschsprung's disease or megacolon Q43.1
- Hirsutism, hirsuties L68.0
- Hirudiniasis · 2
- Hiss-Russell dysentery A03.1
- Histidinemia, histidinuria E70.41
- Histiocytoma · 3
- Histiocytosis D76.3 · 22
- Histoplasmosis B39.9 · 12
- History · 579
- His-Werner disease A79.0
- HIV B20 · 3
- Hives (bold)
- Hoarseness R49.0
- Hobo Z59.00
- Hodgkin disease
- Hodgson's I71.20 · 1
- Hoffa-Kastert disease E88.89
- Hoffa's disease E88.89
- Hoffmann-Bouveret syndrome I47.9
- Hoffmann's syndrome E03.9
- HoFH (homozygous familial hypercholesterolemia) E78.010
- Hole (round) · 3
- Holiday relief care Z75.5
- Hollenhorst's plaque
- Hollow foot (congenital) Q66.7- · 1
- Holoprosencephaly Q04.2
- Holt-Oram syndrome Q87.2
- Homelessness Z59.00 · 2
- Homesickness
- Homocysteinemia R79.83
- Homocystinemia R79.83
- Homocystinuria E72.11
- Homogentisate 1,2-dioxygenase deficiency E70.29
- Homologous serum hepatitis (prophylactic) (therapeutic)
- Honeycomb lung J98.4 · 1
- Hooded · 2
- Hookworm (disease) (infection) (infestation) B76.9 · 2
- Hordeolum (eyelid) (externum) (recurrent) H00.019 · 13
- Horn · 3
- Horner (-Claude Bernard) syndrome G90.2 · 1
- Horseshoe kidney (congenital) Q63.1
- Horton's headache or neuralgia G44.099 · 2
- Hospital hopper syndrome
- Hospitalism in children
- Hostility R45.5 · 1
- Hot flashes · 1
- Hourglass (contracture) · 3
- Household, housing circumstance affecting care Z59.9 · 1
- Housemaid's knee
- HSCT-TMA (hematopoietic stem cell transplantation-associated thrombotic microangiopathy) M31.11
- Hudson (-Stähli) line (cornea)
- Human · 26
- Humidifier lung or pneumonitis J67.7
- Humiliation (experience) in childhood Z62.898
- Humpback (acquired)
- Hunchback (acquired)
- Hunger T73.0 · 1
- Hungry bone syndrome E83.81
- Hunner's ulcer
- Hunter's · 2
- Huntington's disease or chorea G10 · 2
- Hunt's · 3
- Hurler (-Scheie) disease or syndrome E76.02
- Hurst's disease G36.1
- Hurthle cell · 4
- Hutchinson-Boeck disease or syndrome
- Hutchinson-Gilford disease or syndrome E34.8
- Hutchinson's · 9
- Hyalin plaque, sclera, senile H15.89
- Hyaline membrane (disease) (lung) (pulmonary) (newborn) P22.0
- Hyalinosis · 2
- Hyalitis, hyalosis, asteroid · 1
- Hydatid · 6
- Hydatidiform mole (benign) (complicating pregnancy) (delivered) (undelivered) O01.9 · 6
- Hydatidosis
- Hydradenitis (axillaris) (suppurative) L73.2
- Hydradenoma
- Hydramnios O40.-
- Hydrancephaly, hydranencephaly Q04.3 · 1
- Hydrargyrism NEC
- Hydrarthrosis · 15
- Hydremia D64.89
- Hydrencephalocele (congenital)
- Hydrencephalomeningocele (congenital)
- Hydroa R23.8 · 2
- Hydroadenitis (axillaris) (suppurative) L73.2
- Hydrocalycosis
- Hydrocele (spermatic cord) (testis) (tunica vaginalis) N43.3 · 12
- Hydrocephalus (acquired) (external) (internal) (malignant) (recurrent) G91.9 · 33
- Hydrocolpos (congenital) N89.8
- Hydrocystoma
- Hydroencephalocele (congenital)
- Hydroencephalomeningocele (congenital)
- Hydrohematopneumothorax
- Hydromeningitis
- Hydromeningocele (spinal) · 1
- Hydrometra N85.8
- Hydrometrocolpos N89.8
- Hydromicrocephaly Q02
- Hydromphalos (since birth) Q45.8
- Hydromyelia Q06.4
- Hydromyelocele
- Hydronephrosis (atrophic) (early) (functionless) (intermittent) (primary) (secondary) NEC N13.30 · 18
- Hydropericarditis
- Hydropericardium
- Hydroperitoneum R18.8
- Hydrophobia
- Hydrophthalmos Q15.0
- Hydropneumohemothorax
- Hydropneumopericarditis
- Hydropneumopericardium
- Hydropneumothorax J94.8 · 2
- Hydrops R60.9 · 31
- Hydropyonephrosis N13.6
- Hydrorachis Q06.4
- Hydrorrhea (nasal) J34.89 · 1
- Hydrosadenitis (axillaris) (suppurative) L73.2
- Hydrosalpinx (fallopian tube) (follicularis) N70.11
- Hydrothorax (double) (pleura) J94.8 · 4
- Hydroureter N13.4 · 2
- Hydroureteronephrosis
- Hydrourethra N36.8
- Hydroxykynureninuria E70.89
- Hydroxylysinemia E72.3
- Hydroxyprolinemia E72.59
- Hygiene, sleep · 3
- Hygroma (congenital) (cystic) D18.1 · 2
- Hymen
- Hymenolepis, hymenolepiasis (diminuta) (infection) (infestation) (nana) B71.0
- Hypalgesia R20.8
- Hyperacidity (gastric) K31.89 · 1
- Hyperactive, hyperactivity F90.9 · 11
- Hyperacusis H93.23-
- Hyperadrenalism E27.5
- Hyperadrenocorticism E24.9 · 6
- Hyperaldosteronism E26.9 · 6
- Hyperalgesia R20.8
- Hyperalimentation R63.2 · 5
- Hyperaminoaciduria · 4
- Hyperammonemia (congenital) E72.20
- Hyperazotemia
- Hyperbetalipoproteinemia (familial) E78.00 · 1
- Hyperbicarbonatemia P74.41
- Hyperbilirubinemia · 3
- Hypercalcemia, hypocalciuric, familial E83.52
- Hypercalciuria, idiopathic R82.994
- Hypercapnia R06.89 · 1
- Hypercarotenemia (dietary) E67.1
- Hypercementosis K03.4
- Hyperchloremia E87.8
- Hyperchlorhydria K31.89 · 2
- Hypercholesterinemia
- Hypercholesterolemia (essential) (primary) (pure) E78.00 · 6
- Hyperchylia gastrica, psychogenic F45.8
- Hyperchylomicronemia (familial) (primary) E78.3 · 1
- Hypercoagulable (state) D68.59 · 9
- Hypercoagulation (state) D68.59
- Hypercorticalism, pituitary-dependent E24.0
- Hypercorticosolism
- Hypercorticosteronism E24.2 · 2
- Hypercortisonism E24.2 · 2
- Hyperekplexia Q89.89
- Hyperelectrolytemia E87.8
- Hyperemesis R11.10 · 10
- Hyperemia (acute) (passive) R68.89 · 18
- Hyperesthesia (body surface) R20.3 · 4
- Hyperestrogenism (drug-induced) (iatrogenic) E28.0
- Hyperexplexia Q89.89
- Hyperfibrinolysis
- Hyperfructosemia E74.19
- Hyperfunction · 12
- Hypergammaglobulinemia D89.2 · 2
- Hypergastrinemia E16.4
- Hyperglobulinemia R77.1
- Hyperglycemia, hyperglycemic (transient) R73.9 · 2
- Hyperglyceridemia (endogenous) (essential) (familial) (hereditary) (pure) E78.1 · 1
- Hyperglycinemia (non-ketotic) E72.51
- Hypergonadism · 2
- Hyperheparinemia D68.32
- Hyperhidrosis, hyperidrosis R61 · 18
- Hyperhistidinemia E70.41
- Hyperhomocysteinemia E72.11
- Hyperhydroxyprolinemia E72.59
- Hyperinsulinism (functional) E16.1 · 5
- Hyperkalemia E87.5
- Hyperkeratosis L85.9 · 10
- Hyperkinesia, hyperkinetic (disease) (reaction) (syndrome) (childhood) (adolescence) · 1
- Hyperleucine-isoleucinemia E71.19
- Hyperlipemia, hyperlipidemia E78.5 · 9
- Hyperlipidosis E75.6 · 1
- Hyperlipoproteinemia E78.5 · 9
- Hyperlucent lung, unilateral J43.0
- Hyperlysinemia E72.3
- Hypermagnesemia E83.41 · 1
- Hypermenorrhea N92.0
- Hypermethioninemia E72.19
- Hypermetropia (congenital) H52.0-
- Hypermobility, hypermotility · 14
- Hypernasality R49.21
- Hypernatremia E87.0
- Hypernephroma C64.-
- Hyperopia
- Hyperorexia nervosa F50.2-
- Hyperornithinemia E72.4
- Hyperosmia R43.1
- Hyperosmolality (see also, Diabetes, by type, with hyperosmolarity) E87.0
- Hyperostosis (monomelic) · 18
- Hyperovarism E28.8
- Hyperoxaluria R82.992 · 1
- Hyperparathyroidism E21.3 · 5
- Hyperpathia R20.8
- Hyperperistalsis R19.2 · 1
- Hyperpermeability, capillary I78.8
- Hyperphagia R63.2
- Hyperphenylalaninemia NEC E70.1
- Hyperphoria (alternating) H50.53
- Hyperphosphatemia E83.39
- Hyperpiesis, hyperpiesia
- Hyperpigmentation · 2
- Hyperpinealism E34.8
- Hyperpituitarism E22.9
- Hyperplasia, hyperplastic · 106
- Hyperpnea
- Hyperpotassemia E87.5
- Hyperprebetalipoproteinemia (familial) E78.1
- Hyperprolactinemia E22.1
- Hyperprolinemia (type I) (type II) E72.59
- Hyperproteinemia E88.09
- Hyperprothrombinemia, causing coagulation factor deficiency D68.4
- Hyperpyrexia R50.9 · 4
- Hyper-reflexia R29.2
- Hypersalivation K11.7
- Hypersecretion · 35
- Hypersegmentation, leukocytic, hereditary D72.0
- Hypersensitive, hypersensitiveness, hypersensitivity · 11
- Hypersomnia (organic) G47.10 · 50
- Hypersplenia, hypersplenism D73.1
- Hyperstimulation, ovaries (associated with induced ovulation) N98.1
- Hypersusceptibility
- Hypertelorism (ocular) (orbital) Q75.2
- Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) I10 · 147
- Hypertensive urgency
- Hyperthecosis ovary E28.8
- Hyperthermia (of unknown origin) · 3
- Hyperthyroid (recurrent)
- Hyperthyroidism (latent) (pre-adult) (recurrent) E05.90 · 13
- Hypertony, hypertonia, hypertonicity · 5
- Hypertrichosis L68.9 · 12
- Hypertriglyceridemia, essential E78.1
- Hypertrophy, hypertrophic · 221
- Hypertropia H50.2-
- Hypertyrosinemia E70.21
- Hyperuricemia (asymptomatic) E79.0
- Hyperuricosuria R82.993
- Hypervalinemia E71.19
- Hyperventilation (tetany) R06.4 · 3
- Hypervitaminosis (dietary) NEC E67.8 · 10
- Hypervolemia E87.70 · 1
- Hypesthesia R20.1 · 1
- Hyphema H21.0- · 1
- Hypoacidity, gastric K31.89 · 1
- Hypoadrenalism, hypoadrenia E27.40 · 2
- Hypoadrenocorticism E27.40 · 2
- Hypoalbuminemia E88.09
- Hypoaldosteronism E27.40
- Hypoalphalipoproteinemia E78.6
- Hypobarism T70.29
- Hypobaropathy T70.29
- Hypobetalipoproteinemia (familial) E78.6
- Hypocalcemia E83.51 · 7
- Hypochloremia E87.8
- Hypochlorhydria K31.89 · 2
- Hypochondria, hypochondriac, hypochondriasis (reaction) F45.21 · 1
- Hypochondrogenesis Q77.0
- Hypochondroplasia Q77.4
- Hypochromasia, blood cells D50.8
- Hypocitraturia R82.991
- Hypodontia
- Hypoeosinophilia D72.89
- Hypoesthesia R20.1
- Hypofibrinogenemia D68.8 · 2
- Hypofunction · 13
- Hypogalactia O92.4
- Hypogammaglobulinemia D80.1 · 3
- Hypogenitalism (congenital)
- Hypoglossia Q38.3
- Hypoglycemia (spontaneous) E16.2 · 27
- Hypogonadism · 6
- Hypohidrosis, hypoidrosis L74.4
- Hypoinsulinemia, postprocedural E89.1
- Hypokalemia E87.6
- Hypoleukocytosis
- Hypolipoproteinemia (alpha) (beta) E78.6
- Hypomagnesemia E83.42 · 1
- Hypomania, hypomanic reaction F30.8
- Hypomenorrhea
- Hypometabolism R63.8
- Hypomotility · 6
- Hypomyelination - hypogonadotropic hypogonadism - hypodontia G11.5
- Hypomyelination with atrophy of the basal ganglia and cerebellum (H-ABC) G23.3
- Hyponasality R49.22
- Hyponatremia E87.1
- Hypo-osmolality E87.1
- Hypo-ovarianism, hypo-ovarism E28.39
- Hypoparathyroidism E20.9 · 10
- Hypoperfusion (in) · 1
- Hypopharyngitis
- Hypophoria H50.53
- Hypophosphatemia, hypophosphatasia (acquired) (congenital) (renal) E83.39 · 1
- Hypophyseal, hypophysis · 2
- Hypopiesis
- Hypopinealism E34.8
- Hypopituitarism (juvenile) E23.0 · 8
- Hypoplasia, hypoplastic · 190
- Hypoplasminogenemia E88.02
- Hypopnea, obstructive sleep apnea G47.33
- Hypopotassemia E87.6
- Hypoproconvertinemia, congenital (hereditary) D68.2
- Hypoproteinemia E77.8
- Hypoprothrombinemia (congenital) (hereditary) (idiopathic) D68.2 · 2
- Hypoptyalism K11.7
- Hypopyon (eye) (anterior chamber)
- Hypopyrexia R68.0
- Hyporeflexia R29.2
- Hyposecretion · 5
- Hyposegmentation, leukocytic, hereditary D72.0
- Hyposiderinemia D50.9
- Hypospadias Q54.9 · 7
- Hypospermatogenesis
- Hyposplenism D73.0
- Hypostasis pulmonary, passive
- Hypostatic
- Hyposthenuria N28.89
- Hypotension (arterial) (constitutional) I95.9 · 21
- Hypothermia (accidental) T68 · 8
- Hypothyroidism (acquired) E03.9 · 26
- Hypotonia, hypotonicity, hypotony · 3
- Hypotrichosis
- Hypotropia H50.2-
- Hypoventilation R06.89 · 4
- Hypovitaminosis
- Hypovolemia E86.1 · 2
- Hypoxemia R09.02 · 2
- Hypoxia R09.02 · 6
- Hypsarrhythmia
- Hysteralgia, pregnant uterus O26.89-
- Hysteria, hysterical (conversion) (dissociative state) F44.9 · 3
- Hysteroepilepsy F44.5