2027 ICD-10-CM Diagnosis Code I95.81Postprocedural hypotension

ICD-10-CM Codes›I00–I99›I95-I99›I95

ICD-10-CM I95.81
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

I95.81 is a billable ICD-10-CM diagnosis code for postprocedural hypotension. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 312. Coders also document this condition as hypotension following procedure. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Hypotension.

Code Identity

ICD-10-CM Code
I95.81
Billable Status
Yes — Valid for Submission
Code Describes
Postprocedural hypotension
Short Description
Postprocedural hypotension
Same as the full description in the CMS dataset.
Parent Code
I95.8
Other hypotension

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI95-I99Other and unspecified disorders of the circulatory system
CategoryI95Hypotension
This CodeI95.81Postprocedural hypotension

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Hypotension following procedure

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to I95.81: its own notes plus those printed at I95 and Chapter 9. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From I95 Hypotension applies to 7 codes
  • cardiovascular collapse (R57.9)
  • maternal hypotension syndrome (O26.5-)
  • nonspecific low blood pressure reading NOS (R03.1)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 9 (I00-I99) Diseases of the circulatory system applies to 1,433 codes
  • 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.-)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name I95.81, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming I95.81: they are not reported together with it, unless the two conditions are unrelated.

  • R03.1 Nonspecific low blood-pressure reading
    hypotension (I95.-) names I95.-, which includes this code

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR CIR031
Hypotension
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Hypotension

    abnormally low blood pressure that can result in inadequate blood flow to the brain and other vital organs. common symptom is dizziness but greater negative impacts on the body occur when there is prolonged depravation of oxygen and nutrients.

Patient EducationClinical

Low Blood Pressure

You've probably heard that high blood pressure is a problem. Sometimes blood pressure that is too low can also cause problems.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert I95.81 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
458.29 Iatrogenc hypotnsion NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About I95.81Overview

What is the ICD-10 code for postprocedural hypotension?

The ICD-10-CM code for postprocedural hypotension is I95.81 (sometimes written as I9581). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is I95.81 (Other hypotension) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report postprocedural hypotension on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does I95.81 group to?

When postprocedural hypotension is the principal diagnosis on an inpatient stay, it groups to MS-DRG 312 (syncope and Collapse), which carries a relative weight of 0.8659. Higher weights mean higher Medicare reimbursement.

Can I95.81 be reported with R57.9?

Not as a rule. The Excludes1 note at I95, which applies to I95.81, lists "cardiovascular collapse (R57.9)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

What is the ICD-9 equivalent of I95.81?

Under the General Equivalence Mappings, postprocedural hypotension converts to ICD-9-CM 458.29 (iatrogenc hypotnsion NEC). The mapping is approximate, so confirm the match fits the documentation.