R75

Billable
ChapterR00–R99
Rankcategory
Official Description

Inconclusive laboratory evidence of human immunodeficiency virus [HIV]

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (R00-R99).

CH18 Parent Instructions

Excludes2(Not included here)
  • abnormal findings on antenatal screening of mother (O28.-)
  • certain conditions originating in the perinatal period (P04-P96)
  • signs and symptoms classified in the body system chapters
  • signs and symptoms of breast (N63, N64.5)

R70-R79 Parent Instructions

Excludes2(Not included here)
  • abnormal findings on antenatal screening of mother (O28.-)
  • abnormalities of lipids (E78.-)
  • abnormalities of platelets and thrombocytes (D69.-)
  • abnormalities of white blood cells classified elsewhere (D70-D72)
  • coagulation hemorrhagic disorders (D65-D68)
  • diagnostic abnormal findings classified elsewhere - see Alphabetical Index
  • hemorrhagic and hematological disorders of newborn (P50-P61)

Instructional Notes

Includes
  • Nonconclusive HIV-test finding in infants
Excludes1(Not coded here)
  • asymptomatic human immunodeficiency virus [HIV] infection status (Z21)
  • human immunodeficiency virus [HIV] disease (B20)

Clinical Hierarchy

CH18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R70-R79Abnormal findings on examination of blood, without diagnosis (R70-R79)
R75Inconclusive laboratory evidence of human immunodeficiency virus [HIV]

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to R75:

blockR70-R79
Abnormal findings on examination of blood, without diagnosis (R70-R79)
View context instructions
chapterCH18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to R75. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

5 raw paths
HIV2 unique routes
laboratory evidence (nonconclusive)→R75
nonconclusive test (in infants)→R75
Human1 unique routes
immunodeficiency virus (HIV) disease (infection)
laboratory evidence→R75
Positive1 unique routes
test, human immunodeficiency virus (HIV)→R75
Test, tests, testing (for)1 unique routes
HIV (human immunodeficiency virus)
nonconclusive (in infants)→R75

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 814
Reticuloendothelial and Immunity Disorders with MCC
DRG 815
Reticuloendothelial and Immunity Disorders with CC
DRG 816
Reticuloendothelial and Immunity Disorders without CC/MCC

Cross Reference

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Find surgical and procedural codes related to Inconclusive laboratory evidence of human immunodeficiency virus [HIV].

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