ICD-10-CM Alphabetic Index · FY 2026 148 Entries
Hypertension in the ICD-10-CM Index ICD-10-CM
The main term Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) carries 148 index entries pointing to 77 ICD-10-CM codes. The default entry is I10, 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
148
Index Entries
77
Codes Referenced
I10
Default Code
H
Letter
148 of 148 shown
ICD-10-CM
Index Entries Under Hypertension 148 entries · 77 codes
Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic) I10
with
heart failure (congestive) I11.0
heart involvement (conditions in I50.- or I51.4-I51.7, I51.89, I51.9, due to hypertension) see Hypertension, heart
kidney involvement see Hypertension, kidney
benign, intracranial G93.2
borderline R03.0
cardiorenal (disease) I13.10
with heart failure I13.0
with stage 1 through stage 4 chronic kidney disease I13.0
with stage 5 or end stage renal disease I13.2
without heart failure I13.10
with stage 1 through stage 4 chronic kidney disease I13.10
with stage 5 or end stage renal disease I13.11
cardiovascular
disease (arteriosclerotic) (sclerotic) see Hypertension, heart
renal (disease) see Hypertension, cardiorenal
chronic venous see Hypertension, venous (chronic)
complicating
childbirth (labor) O16.4
pre-existing O10.92
with
heart disease O10.12
with renal disease O10.32
pre-eclampsia O11.4
renal disease O10.22
with heart disease O10.32
essential O10.02
secondary O10.42
pregnancy O16.-
gestational (pregnancy induced) (without proteinuria) O13.-
with proteinuria O14.9- Non-billable
mild pre-eclampsia O14.0- Non-billable
moderate pre-eclampsia O14.0- Non-billable
severe pre-eclampsia O14.1- Non-billable
with hemolysis, elevated liver enzymes and low platelet count (HELLP) O14.2- Non-billable
pre-existing O10.91- Non-billable
with
heart disease O10.11- Non-billable
with renal disease O10.31- Non-billable
pre-eclampsia see category O11
renal disease O10.21- Non-billable
with heart disease O10.31- Non-billable
essential O10.01- Non-billable
secondary O10.41- Non-billable
transient O13.-
puerperium, pre-existing O16.5
pre-existing
with
heart disease O10.13
with renal disease O10.33
pre-eclampsia O11.5
renal disease O10.23
with heart disease O10.33
essential O10.03
pregnancy-induced O13.9
secondary O10.43
crisis I16.9
due to
endocrine disorders I15.2
pheochromocytoma I15.2 see also Pheochromocytoma, by type
renal disorders NEC I15.1
arterial I15.0
renovascular disorders I15.0
specified disease NEC I15.8
emergency I16.1
encephalopathy I67.4
gestational (without significant proteinuria) (pregnancy-induced) (transient) O13.-
with significant proteinuria see Pre-eclampsia
complicating
delivery O13.4
puerperium O13.5
Goldblatt's I70.1
heart (disease) (conditions in I51.4-I51.9 due to hypertension) I11.9
with
heart failure (congestive) I11.0
kidney disease (chronic) see Hypertension, cardiorenal
intracranial, benign G93.2
kidney I12.9
with
heart disease see Hypertension, cardiorenal
stage 5 chronic kidney disease (CKD) or end stage renal disease (ESRD) I12.0
stage 1 through stage 4 chronic kidney disease I12.9
lesser circulation I27.0
maternal O16.-
newborn P29.2
pulmonary (persistent) P29.30
ocular H40.05- Non-billable
pancreatic duct - code to underlying condition
with chronic pancreatitis K86.1
portal (due to chronic liver disease) (idiopathic) K76.6
gastropathy K31.89
in (due to) schistosomiasis (bilharziasis) B65.9
postoperative I97.3
psychogenic F45.8
pulmonary I27.20
with
cor pulmonale (chronic) I27.29
acute I26.09
right heart ventricular strain/failure I27.29
acute I26.09
unclear multifactorial mechanisms I27.29
arterial (associated) (drug-induced) (toxin-induced) I27.21
chronic thromboembolic I27.24
due to
hematologic disorders I27.29
kyphoscoliotic heart disease I27.1
left heart disease I27.22
lung diseases and hypoxia I27.23
metabolic disorders I27.29
specified systemic disorders NEC I27.29
group 1 (associated) (drug-induced) (toxin-induced) I27.21
group 2 I27.22
group 3 I27.23
group 4 I27.24
group 5 I27.29
of newborn (persistent) P29.30
primary (idiopathic) I27.0
secondary
arterial I27.21
specified NEC I27.29
renal see Hypertension, kidney
renovascular I15.0
resistant (apparent treatment) (treatment) (true) I1A.0
secondary NEC I15.9
due to
endocrine disorders I15.2
pheochromocytoma I15.2 see also Pheochromocytoma, by type
renal disorders NEC I15.1
arterial I15.0
renovascular disorders I15.0
specified NEC I15.8
transient R03.0
of pregnancy O13.-
urgency I16.0
venous (chronic)
due to
deep vein thrombosis see Syndrome, postthrombotic
idiopathic I87.309
with
inflammation I87.32- Non-billable
with ulcer I87.33- Non-billable
specified complication NEC I87.39- Non-billable
ulcer I87.31- Non-billable
with inflammation I87.33- Non-billable
asymptomatic I87.30- Non-billable
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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.
