# How to correct extracted lab values before saving in Health3

> Value, unit, biomarker and test date can each be corrected on the review screen before the import. A narrated 0:48 walkthrough with captions, chapters and a transcript.

*Source: [https://www.health3.app/videos/correct-values-before-saving/](https://www.health3.app/videos/correct-values-before-saving/)*

Published October 27, 2026Video guide, 0:48

Value, unit, biomarker and test date can each be corrected on the review screen before the import.

Narrated, real app screens with synthetic demo data. Captions in English and 24 more languages.

## Chapters

1. [0:00](https://www.health3.app/videos/correct-values-before-saving/?t=0) Review before saving
2. [0:06](https://www.health3.app/videos/correct-values-before-saving/?t=6) Value
3. [0:10](https://www.health3.app/videos/correct-values-before-saving/?t=10) Unit
4. [0:14](https://www.health3.app/videos/correct-values-before-saving/?t=14) Biomarker
5. [0:21](https://www.health3.app/videos/correct-values-before-saving/?t=21) Delete and Undo
6. [0:25](https://www.health3.app/videos/correct-values-before-saving/?t=25) Missing biomarker
7. [0:29](https://www.health3.app/videos/correct-values-before-saving/?t=29) Testing Date
8. [0:39](https://www.health3.app/videos/correct-values-before-saving/?t=39) Confirm Import

## What the video shows

A narrated walkthrough of the Health3 iPhone app with synthetic demo data: on the review screen each row shows the imported result, and a wrongly read value, unit, biomarker or test date is corrected, a row is removed or added, before Confirm Import saves the test.

## Transcript

1. 0:00 After an import, the review screen shows each row with the imported result underneath.
2. 0:06 A value that was read wrongly is corrected in Value.
3. 0:10 Unit lists the units Health3 supports for that biomarker.
4. 0:14 A row matched to the wrong biomarker is corrected in Biomarker, which searches the catalog.
5. 0:21 The trash icon removes a row, and Undo brings it back.
6. 0:25 The plus button at the bottom adds a biomarker that was missed.
7. 0:29 Testing Date changes the date of the whole test. Set individual dates gives each row its own date.
8. 0:39 Rows that still need a correction are counted at the top. Confirm Import saves once every row is complete.

## More video guides

- [How to import a lab report PDF into Health3](https://www.health3.app/videos/import-lab-report/) (1:10)
- [How to track one biomarker over time in Health3](https://www.health3.app/videos/track-biomarker-over-time/) (1:01)
- [How to export lab results as a PDF or image in Health3](https://www.health3.app/videos/export-pdf-and-report-image/) (1:07)
- [How to import a lab report from photos in Health3](https://www.health3.app/videos/import-lab-report-photos/) (0:40)
- [How to enter blood test results by hand in Health3](https://www.health3.app/videos/enter-results-manually/) (0:41)
- [How to import lab records from Apple Health into Health3](https://www.health3.app/videos/import-apple-health-lab-records/) (0:42)
- [How to read a Test Report in Health3](https://www.health3.app/videos/read-test-report/) (0:45)
- [How to change units and choose a reference range source in Health3](https://www.health3.app/videos/change-units-reference-source/) (0:33)
- [How to explore a health topic in Health3](https://www.health3.app/videos/explore-health-topic/) (0:33)

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Real Health3 iPhone screens with synthetic demo data and a synthetic narrator voice. Health3 organizes lab results; it does not interpret them or give medical advice. Some features require Premium.