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Free Medical Coding > ICD10 CM > 2025 ICD-10-CM Diagnosis Codes Index > 2025 ICD-10-CM Index Term Starting With ‘H’

2025 ICD-10-CM Index Term Starting With ‘H’

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