I16
Non-billableHypertensive crisis
Hypertensive crisis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
- hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)
Use Additional Code
Additional codes that should follow this code
Code Also
A second code may be required; sequencing depends on circumstances
- any identified hypertensive disease (I10-I15, I1A)
Child Codes (3)
Also Known As / Clinical Terms
UMLS
- Crises, HypertensiveC0020546
- Crisis hypertensiveC0020546
- Crisis, HypertensiveC0020546
- Emergencies, HypertensiveC0020546
- Emergency, HypertensiveC0020546
- Hypertensive CrisesC0020546
- Hypertensive CrisisC0020546
- Hypertensive EmergenciesC0020546
- Hypertensive EmergencyC0020546
- Hypertensive crisesC0020546
- Hypertensive crisisC0020546
- Hypertensive crisis (disorder)C0020546
- crisis hypertensiveC0020546
- hypertensive crisisC0020546
Frequently Asked Questions
What is ICD-10 code I16?
ICD-10-CM code I16 represents "Hypertensive crisis". It is a non-billable header code — use a more specific child code for billing purposes.
Is I16 a billable code?
No, I16 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under I16.
What chapter is I16 in?
I16 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I16?
I16 has Excludes1 notes indicating codes that cannot be used together with it, including: neonatal hypertension (P29.2); primary pulmonary hypertension (I27.0).
What are the subcategories under I16?
I16 has 3 child codes, including: I16.0 (Hypertensive urgency), I16.1 (Hypertensive emergency), I16.9 (Hypertensive crisis, unspecified).
Are additional codes required with I16?
Yes, when using I16 you should also code: code to identify:; exposure to environmental tobacco smoke (Z77.22); history of tobacco dependence (Z87.891); occupational exposure to environmental tobacco smoke (Z57.31); tobacco dependence (F17.-); tobacco use (Z72.0).
What are the UMLS CUIs for I16?
I16 is linked to 1 UMLS Concept Unique Identifier: C0020546. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.