AutoICD API

I1A.0

Billable

Resistant hypertension

Resistant hypertension

Status

Billable / Specific

Block

I10-I1A

Parent Code

I1A

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Apparent treatment resistant hypertension
  • Treatment resistant hypertension
  • True resistant hypertension

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • neonatal hypertension (P29.2)
  • primary pulmonary hypertension (I27.0)

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)

Code First

The underlying condition must be sequenced before this code

  • specific type of existing hypertension, if known, such as:
  • essential hypertension (I10)
  • secondary hypertension (I15.-)

Use Additional Code

Additional codes that should follow this 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)

Also Known As / Clinical Terms

SNOMED CT

UMLS

Frequently Asked Questions

What is ICD-10 code I1A.0?

ICD-10-CM code I1A.0 represents "Resistant hypertension". It is a billable/specific code that can be used on a claim.

Is I1A.0 a billable code?

Yes, I1A.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is I1A.0 in?

I1A.0 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).

What codes cannot be used with I1A.0?

I1A.0 has Excludes1 notes indicating codes that cannot be used together with it, including: neonatal hypertension (P29.2); primary pulmonary hypertension (I27.0).

Are additional codes required with I1A.0?

Yes, when using I1A.0 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 SNOMED CT codes does I1A.0 map to?

I1A.0 maps to 1 SNOMED CT concept: 461301000124109. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for I1A.0?

I1A.0 is linked to 3 UMLS Concept Unique Identifiers: C5819574, C1834155, C5819575. 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.