healthcare=laboratory has 7400 uses.

If this is merged it should be preceded or combined with a fix for #4403 - otherwise the code in amenity-points.mss will get even more confusing.

I am generally wary of adding new POIs before fixing #3880. I also have doubts with the use of the healthcare color for features that by mapping conventions do not necessarily indicate facilities which provide services open to the public.

I agree that #4403 needs to be fixed. We should also think about this systematically.

There are 2 other healthcare=* feature which are more common and which are not rendered yet:

• physiotherapist - https://taginfo.openstreetmap.org/tags/healthcare=physiotherapist#overview - see Render healthcare=physiotherapist #4235
• healthcare=alternative is used 9000 times, mostly for chiropractors - https://taginfo.openstreetmap.org/tags/healthcare=alternative

And there are several other healthcare=* tags which are fairly common but not rendered. It may make sense to address several of these at once.
healthcare=psychotherapist - 4023 uses - https://taginfo.openstreetmap.org/tags/healthcare=psychotherapist
healthcare=rehabilitation - 2370 uses - https://taginfo.openstreetmap.org/tags/healthcare=rehabilitation
healthcare=podiatrist - 2140 uses - https://taginfo.openstreetmap.org/tags/healthcare=podiatrist
healthcare=optometrist - 2710 uses - https://taginfo.openstreetmap.org/tags/healthcare=optometrist

Also see less common tags: #4222 healthcare=blood_donation, #4295 healthcare=vaccination_centre

We previously closed #3706 and #3609 about healthcare=counselling, and healthcare=nurse which were rare at the time.