LOINCActiveObservation

LOINC Code 97150-7: Prostate health index Calc [Score]

97150-7 is a LOINC code used to identify Prostate health index Calc [Score] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Prostate health index. It is commonly used with the system or sample type Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Prostate health index. It is commonly used with the system or sample type Ser/Plas.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Observation
  • Method: Calculated

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

Prostate health index in Serum or Plasma by calculation
Prostate health index
The Prostate Health Index (PHI) combines total prostate specific antigen (PSA), free PSA and p2PSA into a single score that can be used to aid in clinical decision-making. PHI is calculated using the following formula([-2]pro-prostate specific antigen/free prostate specific antigen × prostate specific antigen(1/2)). [PMID: 21419439]
Calc; Calculation; Chemistry; PHI; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; Scale; Scre; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Prostate health index Calc [Score]Prostate health index in Serum or Plasma by calculationPHI Scre SerPl CalcProstate health indexCHEMProstate health index, BloodScore

Frequently asked questions

Code details

Code97150-7
SystemLOINC
Display nameProstate health index Calc [Score]
DescriptionProstate health index
Short namePHI Scre SerPl Calc
ComponentProstate health index
PropertyScore
TimingPt
System (specimen)Ser/Plas
ScaleQn
MethodCalculated
ClassCHEM
Example unitsscore
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.70
Last changed2.82

Consumer names

Prostate health index, Blood

Part names

Prostate health indexScorePtSer/PlasQnCalculatedPoint in time (spot)Serum or Plasma

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 97150-7 | HealthAssure